Student Book Answer Key Unit Page B Have you been working here for long, Mr Abbot? Yes, I have I’ve been working here for twenty years Have you done many different jobs at the zoo? Yes, I have I’ve fed the animals, cleaned the cages and I’ve spoken to children on school trips Have you visited the countries where the animals come from? No, I haven’t I haven’t seen the animals in the wild Which animals have you been helping to protect over the years? We’ve been helping to protect lots of endangered species Have you been working with schools? No, we haven’t, but we have been working with our interns These teenagers have been helping us to improve our handouts for schools Some have been doing jobs here on the weekends What sort of jobs? They’ve been brushing the ponies and feeding the animals C See underlined words in Exercise B D Which animals have you been protecting? Have you been working with schools? They’ve been doing jobs here They’ve been brushing the ponies They’ve been feeding the animals I’ve spoken to children on school trips I haven’t seen the animals in the wild We’ve been working with our interns Page Page B You’ve done lots of different jobs at the zoo over twenty years, haven’t you? Yes, I have I’ve sold tickets at the entrance and I’ve driven the little train that goes around the zoo Really? And have you done anything else? Yes, I’ve worked in the cafeteria and I’ve helped to build some of the things in the children’s play area, too You’ve done lots of different jobs at the zoo over twenty years, haven’t you? I’ve sold tickets at the entrance, and … … I’ve driven the little train that goes around the zoo Yes, I’ve worked in the cafeteria and … … I’ve helped to build some of the things in the children’s play area, too C he’s done He’s worked he’s fed He’s spoken he’s sold he’s driven He’s worked he’s helped E Hi Laura, How are you? I’m great! I’ve been working for the past year as an intern at our local zoo It’s fantastic I’ve been doing lots of interesting things I’ve been working with lots of different animals in Pets Corner My favorites are the meerkats I’ve been feeding them And I’m part of a group of interns – we have been preparing handouts for children who come to the zoo on a school trip It’s been good fun What have you been doing this summer? Have you been working? I’ll write again soon and send some photos Bye for now Marta F They’ve been doing jobs on the weekend They’ve been feeding the animals He he’s been speaking to children We haven’t been working with schools We’ve been protecting the animals These teenagers have been helping us G No, I haven’t seen the animals in the wild No, they haven’t been to Australia No, he hasn’t been telling visitors about the new animal No, she hasn’t been designing the new website H Students’ own answers I Students’ own answers Page D She’s fed the penguins She hasn’t worked in the cafeteria She’s sold balloons She hasn’t cleaned the picnic area She’s helped a lost child She’s taken some photos for the website Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press Unit Page B It started in 1961 It protects animals She’s been a member since 2011 C My name’s Selma I’m a student at an international school in Turkey I’ve been a member of the World Wide Fund for Nature (WWF) for years – since 2011 I joined because I liked the logo Have you seen it? It’s a picture of a panda, and I was crazy about pandas But now I understand how important the WWF is, and I’m proud that I’m a member The WWF started in 1961, and it has become one of the most important organizations in the world for conservation Its members have raised money to protect animals’ habitats, and they’ve held campaigns to protect the tigers Right now they are working in Brazil to help protect the Amazon rainforest Their work is continuing, all over the world The other reason I like the WWF is because I know so many children around the world like me are members, too It isn’t just for grown-ups We are doing something really important for our planet D started has been is working enjoys Page B belongs writes visit aren’t digging aren’t drawing ’ve held are working doesn’t think Page 10 C Where did bearded vultures live? In the past, bearded vultures lived in the Alps, which are a range of mountains in southern Europe Did they live in South America too? No, they didn’t live there When did they die out in the Alps? In 1913, humans killed the last bearded vulture in the Alps Did people kill the vultures by accident? Unfortunately, people didn’t kill the birds by accident People hunted the birds with guns and poison What did the WWF to help? In 1978, the WWF started a project to raise the birds in zoos Was it easy? No, it wasn’t It took a long time When did they release the first chicks? In 1986, they released some young birds in Austria, and then into some other countries as well They didn’t release them into the Alps immediately Was the project successful? Yes, it was! Today there are more than 100 breeding pairs of bearded vultures in Europe lived didn’t live killed didn’t kill started wasn’t released didn’t release was D Do you sell copies of the school newspaper? Does it help everyone learn about the WWF? Do they learn about animals in the wild? Is the WWF working in many different countries? Is it protecting animals all over the world? Is Selma writing a report for her school newspaper? Did Arzur take some photos? Did Edul write an email? Did they go to the school garden? Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press Page 11 F Have you read about the WWF? Have your friends worked in Brazil? Have you held a campaign for tigers? Has she written for the school newspaper? Have we found a photo of a panda? G saw Yes, I have ’s been has never been fed H Students’ own answers Module Review Page 12 A Have you worked I’ve lived My company has built Have many tourists stayed we’ve had I’ve enjoyed B Have you worked in the rainforest for long, Hans? Yes, I’ve lived here for over ten years My company has built three small hotels in the forest We call them lodges Have many tourists stayed in them? Yes, we’ve had lots of visitors over the years So has it been hard work for you? No, not really I’ve enjoyed meeting so many people from different countries Thanks for telling me about your business, Hans C ’ve been having ’ve been going ’ve been watching ’ve been looking ’ve been getting up ’ve been going ’ve been searching ’ve been talking Page 13 D We’ve heard has asked produce make are held was left walked 10 made 11 met 12 went 13 is E cause has closed opened have been walking are building F C A E D B Unit Page 14 B Frequently Asked Questions How could cave people keep their teeth clean if they didn’t have toothpaste and toothbrushes? P They couldn’t go to the dentist, but they could clean or pick food out of their teeth with sticks or bones P Could cave people find food very easily? P They couldn’t just go to the supermarket like us, but they could hunt, and they could also find fruit and berries in the forests They also knew which plants you could eat and which ones you couldn’t because they were poisonous P In the future, will we be able to find out more about people who lived 20,000 years ago? F Yes, in the future we will be able to know even more about these people, because of carbon dating and DNA F Will we be able to learn more about what these people ate and how they communicated? F We will probably be able to find out what they ate, because of new scientific discoveries, but we probably won’t be able to discover anything about the language they spoke F C See exercise B C Could the cavemen hunt animals with spears and bows and arrows? Yes, they could Could women and children hunt with the men? No, they couldn’t Could the cave people cook their food? Yes, they could Could they keep warm by the fire? Yes, they could Could wild animals get into their cave? No, they couldn’t Could the cave people draw pictures? Yes, they could Page 16 D Circled in blue: make necklaces use tools cook meat makes clothes light a fire Circled in red: read a newspaper drive a car go to the supermarket got to school E Students’ own answers F Students’ own answers Page 15 B Yes, they could No, they couldn’t Yes, they could Yes, they could No, they couldn’t Yes, they could Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press G Mr Batty, you say you have studied the cave people for a long time Yes, that’s right It has been interesting I have learned a lot about their way of life Could they communicate with each other easily? Yes, of course They could also speak perfect English, as well as their own language Really? That’s amazing And could they also write English? Yes, but they couldn’t spell very well, and they couldn’t use a dictionary Could they live comfortably in their caves? Yes, they could Most of the caves had a bathroom and a kitchen, so they could take a bath or a shower, and they could cook food like we They didn’t have refrigerators though, so they couldn’t store meat for very long So you are telling us they had electricity? Yes, they could light their caves like we do, but they couldn’t install central heating Did you find any evidence of all of this? No, I couldn’t take any photos I forgot to take my camera with me Page 17 H Yes, they could communicate easily with each other They could speak perfect English as well as their own language Yes, they could write in English No, they couldn’t spell very well and they couldn’t use a dictionary Yes, they could take a bath or a shower Yes, they could cook food like we No, they couldn’t store meat for very long Yes, they could light their caves like we No, they couldn’t install central heating 10 He couldn’t take any photos because he forgot to take his camera with him I B D A C J When I was six, I could swim When I was four, I couldn’t ride a bicycle When I was eight, I couldn’t speak English When I am fifteen, I will be able to go into town by myself When I am 24, I will be able to travel around the world When I am very old, I won’t be able to run very fast K Students’ own answers Unit Page 18 B Today we are talking about dinosaurs They have found dinosaur bones near the school, so this part of the country must✓ be where dinosaurs lived before Can you look at number on the photo? The bone at the top of the photo must✓ be the dinosaur’s tail, and bone number next to the tail has to be its backbone We know this for sure because we can look at photos of bones found before And now can you look at number at the bottom of the photo We know that the two large bones have to be the top of the dinosaur’s legs We think that bone number near the man’s tray might be the bottom part of the leg, but we are not completely sure Are there any questions? Is that small object on the left of the photo one of the dinosaur’s teeth? No, it can’t be one of its teeth Look more closely It’s the man’s hammer! C They think it’s true that bone number is the bottom part of the leg They know that it is true that bone number is the dinosaur’s tail, bone number is its backbone, and bones number are the top of the dinosaur’s legs Page 19 B must might can’t C must can’t might can’t might Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press Page 20 D The bone at the top of the photo must be the dinosaur’s tail The bone next to the tail has to be its backbone The two large bones must be the top of the dinosaur’s legs The small object on the left can’t be one of the dinosaur’s teeth The bone near the man’s tray might be the bottom part of the leg This can’t be a dinosaur’s egg E d a e b c Page 21 F can’t must might must can’t might must must can’t G What you think this is? It looks like part of a toy to me It can’t be because it’s made out of gold It must be something else I think it might be a ring, but I’m not completely sure Maybe you’re right And what about this broken pot? I’m sure that it must be very old No, it can’t be old Look, it’s made of plastic! And I’m not sure, but these round objects might be coins Yes, they must be Look, there’s a face and some writing on them I think this might be Roman treasure No, it can’t be The Romans didn’t come to this part of the country H Students’ own answers I Students’ own answers Module Review Unit Page 22 Page 24 A couldn’t could couldn’t couldn’t Could could couldn’t Could could B a e c b g d f Page 23 C must be can’t be must be must be D The coins might be very old The diamond ring must be very valuable The pot is Roman, so it has to be very old The plastic toy I found can’t be special It might be an old cave painting E must be b can’t be e must be a can’t be c might be d B In our next program, we are going to look at a new invention, the “Copterbike”, which we believe will be a bestseller Why? It will work as a motorbike and will travel at 200 miles an hour! It will change to a helicopter in one minute and will fly at 400 miles an hour! You won’t need to be a pilot to fly it, and you won’t need to wear a helmet because there will be an airbag to protect your head We predict the following with the “Copterbike”: There will be fewer accidents People will get to work quicker Drivers will enjoy flying Good night, everybody Next week, I am going to drive and fly the “Copterbike” myself, so I will be able to give you my opinion of the invention Just have one last look at this beautiful machine I think you can see that I’m going to have lots of fun! See you next week! Bye The presenter uses will/won’t to talk about facts in the future and predictions about things he believes He uses going to to talk about future plans and predictions about things you see C are going to will Will won’t are going to be am going to Page 26 C Are you going to drive and fly the “Copterbike” next week? Yes, I’m going to drive and fly it to the TV studios every day And are you going to go on any longer trips during the week? Yes, I’m going to visit Paris on the weekend Are you going to fly across the English Channel? No, I’m not going to fly there I’m going to take the train under the English Channel D will circle will be will have will send won’t provide Page 27 going to will have will will will going to going to F are going to ’s going to will will G Students’ own answers Page 25 B On Monday, he’s going to present the breakfast show On Tuesday, he’s going to interview the president On Wednesday, he’s going to present a children’s programme On Thursday, he’s going to work at home On Friday, he’s going to go to the dentist’s On Saturday, he’s going to fly to Paris on the “Copterbike” On Sunday, he’s not going to anything Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press Unit Page 28 B Next week after school, Sultan and I are meeting to design our model spaceship for the competition Jack and I are also planning our design next week, and we’re hoping to finish the drawings on Friday We’re finishing our drawings at the beginning of March and then we’re making a test spaceship the following week So you’re testing the spaceship to see if it flies in March? Yes, and if everything goes well, we’re building the real spaceship in June I think that’s very late The competition is in July! So when are you building your spaceship? We’re starting to build it at the end of March and we’re adding the solar panels at the beginning of April We’re planning to finish the whole spaceship by the middle of May And we’re testing it on June Wow! Page 29 C a D meet plan hope finish make test build build start 10 add 11 plan 12 test Page 30 B How many spaceships are in the competition? Here’s the list There are five finalists When are you deciding who the winner is? We’re looking at all the designs on Monday and Tuesday next week On Wednesday afternoon, we’re watching the launch of Galaxy and Space Hopper Is the launch happening in Los Angeles? No, near Las Vegas We’re traveling there on Sunday evening And when are the other launches happening? They’re flying the other three spaceships next Friday morning at five o’clock And when are you choosing the winner? We’re meeting to discuss everything in two weeks Thanks very much for your time are you deciding ’re looking ’re watching Is the launch happening We’re travelling are the other launches happening They’re flying are you choosing We’re meeting C b e f d c a Page 31 D When are you finishing the drawings? When are you talking about designs? When are the launches happening? When are you deciding who the winner is? When are you adding the solar panels? When are you flying the spaceship? Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press E we are meeting will be will are going to is going to F–H Students’ own answers Module Review Page 32 A are you going to teach I’m going to teach we’re going to look Are you going to show I’m going to show are they going to learn They’re going to they’re going to make they’re going to design 10 are you going to 11 we’re going to a topic on speed 12 We’re going to look 13 the class is going to 14 They’re going to make B What are you going to teach the fourth grade in science next week? I’m going to teach them about some new inventions In history, we’re going to look at inventions in the 1800s Are you going to show them a DVD? Yes, I’m going to show them a DVD about the “Copterbike.” Great! And what are they going to learn in art? They’re going to some technical drawing and they’re going to make some models In English on Wednesday, they’re going to design a poster And are you going to anything special in math this week? Yes, we’re going to a topic on speed We’re going to look at how fast spaceships fly On Friday, the class is going to a project in groups They’re going to make a model of a sports car C The girls’ skirts will be blue or black They won’t be brown The boys’ pants will be long and gray They won’t be short The boys’ and girls’ blazers will be blue or black They won’t be red The boys’ and girls’ sweaters will be gray They won’t be pink or red Page 33 D d c a b I think Roger Federer will win at Wimbledon this year I think more tourists will visit Dubai this summer I think the US will put a man on Mars by2030 I think space tourism will become much cheaper in ten years E I’m going to study astrophysics in college I’m going to move to the U.S I’m going to improve my English I’m going to work at NASA One day, I’m going to design my own rocket F You’re going to have an accident It’s going to rain He’s going to win the race The meat is going to burn G On Tuesday, at o’clock, he’s meeting Tony and Rachel On Wednesday, after school, he’s going to park On Friday, at o’clock, he’s seeing grandpa On Saturday and Sunday morning, he’s playing tennis Unit Page 34 B d a b c C He said that he couldn’t get up He said that they were near a lake He said that his leg wasn’t very painful He said that they were getting cold Page 35 A Felix Felix Ian Marc Felix Felix Page 36 B his him her could were C b d e f c a D Felix said that he didn’t like the rain He said that he was feeling very tired He said that his ankle was swelling up and it was painful He said that he had two friends with him He said that they couldn’t speak English He said that they didn’t want to stay in the cave all night He said that he wanted to get a message to his brother Page 37 E Felix’s brother said he was delighted Felix was safe The news reporter said that it was an exciting news story The doctor said that Felix’s ankle was fine Marc the Rescue Volunteer said that he was happy that Bonnie, his rescue dog, could help The Mountain Rescue helicopter pilot said it was a difficult place to land Felix said he was very happy to be off the mountain F Felix said that he could speak a little English He said that his foot hurt He said he had two friends with him He said he couldn’t walk He said he needed to be rescued Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press G Students’ own answers Unit Page 38 B c d a b Page 39 C These are leafcutter ants They’re from Central and South America They recycle about 20% of leaves in the rainforest Wow! They have lots of different jobs There are soldier ants, scouts, leafcutters, gardeners, and there is, of course, the queen How many of them live together? Sometimes over five million ants live together in a nest And they are really strong They can carry over fifty times their own weight Can they talk to each other? No, they can’t talk, but they communicate They can warn each other when there’s danger And they tell each other where to find food They use their antennae to pick up smells from other ants The smells are called scents They can leave about twenty different scent messages by rubbing their abdomen (their body) on the ground D b d c a B told told told said said said Page 40 C My Wolf Project We went to the wildlife park this holiday I talked to the keeper His name was Mr Andy Damon Andy studies wolves He said that wolves used their body language and their faces to communicate He said that they used their ears, tails and body position to share their feelings with the rest of the pack I don’t like the noise wolves make He said that the noise was called a howl I asked him if howling was a sign of anger He told me that wolves howled to scare other animals away and to protect their young, but he also said that sometimes they probably just howled for fun! D told said told asked told said E was doing if she was she loved he had, his if she could copy his Page 41 F He asked where the wildlife show was She asked how many tickets they had They asked what time it started He asked if he could sit near the front She asked whether you wanted some ice cream They asked if they could take photos G The attendant asked if I could give my ticket to her Lucy told me the parrot gave her a strange look The guide asked me if I was listening to him The animal keepers told Oscar they were going to see his talk about birds You asked us if we had an information booklet Adam and Toby told Jake that he could sit with them H “Can you give your ticket to me?” “The parrot gave me a strange look.” “Are you listening to me?” “We are going to see your talk about birds.” “Do you have an information booklet?” “You can sit with us.” I Students’ own answers J Students’ own answers Module Review Page 42 A was learning if he was drawing he couldn’t draw bees if I could help what I wanted could draw, him me that he would B asked told said told said C Ana asked how the bees knew which flowers to visit Marco asked what a bee liked to drink Pedro asked what happened when the nectar was finished Maria asked how many bees visited the same flower in one day Ana asked what the queen bee did Page 43 D Nada asked if the bees were always hungry Kamil asked if the bees liked large or small flowers Sana asked if the bees ate any other type of food Tarik asked if bees could see different colors E us her him you me Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press F She said that she was visiting the wildlife park the next week He said that he thought that that was really interesting Mom said that the weather was good for bees that year She said that she was planting some purple flowers the next day Unit Page 44 B The police thanked 86-year-old grandmother Mavis Jones yesterday for stopping a robbery at the City Art Museum We interviewed Mavis: Why did you go to the museum? I went because it’s nice and warm I go there every afternoon Who did you go with? I went by myself Where did you see the robber? He was in the Italian art room, in a long black coat I was suspicious It was a sunny day Why did he need a coat? What did you do? I hid behind a statue I saw him take a painting and put it under his coat! How did you stop him? I shouted ‘Hey! You stop that, young man!’ He started to run So I tripped him with my cane Then I sat on him I shouted: ‘Help, thief!’ I have quite a loud voice, you know Who helped you? The security guards! They ran in and rescued the picture Then they called the police It was very exciting! Congratulations, Mavis You are our hero! Page 45 B Who did you go with? Who helped you? Page 46 C Where Who When What Why D Who, Where Who, What Who, What Where, What Who, How Who, Who E Where was the thief?, b Who watched the thief?, a Who ran to the exit?, d Who thanked Mavis for her help?, e Who helped Mavis?, c Page 47 F OK, everyone Listen, please Mavis Jones will answer questions now When you go to the City Art Museum, Mrs Jones? I go there every afternoon It’s my favorite place in town How did you stop the thief? I used my cane And then I sat on top of him I was really mad! What happened next? I called for help and the security guards came in They found the picture, and they helped me stand up! Who called the police? You or the guards? The guards called the police I don’t have one of those cell phones Thank you, everyone That’s all we have time for now … When How What Who G See underlined and circled words in Exercise F H Where does Mavis live? When does she go to the museum? What does she look at? Who does she meet? I Who used her cane? What did she use to stop the thief? Who wore a long black coat? What did the thief wear? What did the thief steal? Who stole a picture? Who helped Mavis? Who did the security guards help? J Students’ own answers Unit 10 Page 48 B Many families in the U.K like to play quiz games These games test people’s general knowledge If you have good general knowledge, it means you know a lot about many different subjects For example, history, geography and math Here are some general knowledge quiz questions Q: Is Melbourne the capital city of Australia? A: No, it isn’t It’s Canberra Q: Did the Chinese invent fireworks? A: Yes, they did Q: Are wolves extinct? A: No, they aren’t Q: Will the next Olympic Games be in Europe? A: No, they won’t Q: Are whales mammals? A: Yes, they are Q: Is 216 minus 103 113? A: Yes, it is Page 49 B Yes, it is the capital of France Yes, they did die because of the cold Yes, he was the first U.S president Yes, they will become smaller No, they didn’t go to America No, they weren’t in color No, they don’t live on Mars Yes, it does begin with the letter “t.” Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press Page 50 C OK, now it’s the Smith family’s turn You have one minute to answer all five questions Ready? Yes OK Question number Is Bogotá the capital of Columbia? Yes, it is Good One point OK Question now Are kangaroos mammals? Yes, they are Correct Well done Question Was Yuri Gagarin the first man to fly in space? Yes, he was Correct again Question Did Marlowe write Hamlet? No, he didn’t Correct: of course, it was Shakespeare And now the last question for tonight’s prize of $1,000: Was the Internet a 1970s’ invention? No, it wasn’t Yes, it was! Oh, I’m so sorry People started using the Internet in 1976 Oh, no! Yes, it is Yes, they are Yes, he was No, he didn’t No, it wasn’t Yes, it is! D Yes, it is Yes, they Yes, it will No, it wasn’t No, they weren’t Page 51 E Yes, I Yes, I am No, I didn’t No, I won’t No, they weren’t F Student’s own answers G Students’ own answers Module Review Unit 11 Page 52 Page 54 A Who When Who How What What Who Where Who 10 Where B Sultan Suleiman lived in the Topkapi Palace He lived from 1465 to 1856 Sultans lived there for 400 years They lived there for about 400 years Beautiful tiles cover the walls The tiles cover the walls His family and his servants lived in the palace They lived in the palace The Sultan ruled the country from the palace 10 The Sultan ruled the country from the palace Page 53 C When did you go to Turkey? Where did you go first? Why is it a special place? Who goes there? D b e d a f c E ✓ Yes, I ✗ No, I don’t ✓ Yes, they ✗ No, they don’t ✓ Yes, they are ✗ No, they aren’t ✓ Yes, I did ✗ No, I didn’t ✓ Yes, they were ✗ No, they weren’t ✓ Yes, I could ✗ No, I couldn’t ✓ Yes, I will ✗ No, I won’t B Brendan thinks it’s important for scientists to tell people when a volcano isn’t safe He studies volcanoes so that people are told when it is dangerous in plenty of time Brendan has made a film about volcanoes In the film, rocks inside the volcano melt This is magma Magma is pushed to the top of the volcano The ground shakes Suddenly rocks, magma, and hot gas explode into the sky It’s terrifying People hear the noise from far away, even on other islands The eruption is so loud, the noise is heard a long way away Hot lava travels down the mountain at 50 kph Ash falls from the sky The mountain is destroyed Brendan’s work helps keep people safe People living nearby are taken to safety, and no one is hurt Their houses aren’t damaged, but they are covered in ash Their crops are buried People can’t return home for a year C See circled words in Exercise B The verb that comes before each past participle is the present form of be Page 55 B are told are used is pushed is heard are taken are damaged, aren’t destroyed are not allowed are covered Page 56 C The mountain is destroyed by the scientists. False  the explosion The people are taken to a dangerous place. False  safe The noise is heard by people a long way away. True Their homes are covered in lava  False   ash Their crops are eaten  False  buried Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press D is checked isn’t given are asked aren’t sent aren’t allowed are told E are written are sent are measured are taken is pushed is called are closed are not allowed are told 10 are taken F Hi there I’m Eva Rojas I’m a scientist I work with Brendan at the Scientific Observatory This is where reports are written and are sent to the local police Our job is to make sure the local people are safe Have you ever wondered how volcanoes are measured? We use a lot of different instruments, like seismographs, radio, and GPS devices Gas samples are taken from cracks in the mountain They are poisonous, so we must be very careful! Here’s my latest report: 5:07 a.m The ground shakes Magma is pushed to the surface Gases are escaping Our instruments record a lot of activity My boss is called at home and he comes to the center right away 6:12 a.m We are on red alert Schools and farms nearby are closed People are not allowed near the area 9:27 a.m Local people are told to leave their homes Many are taken by bus to shelters in the next city They won’t be able to return for a few days days later 7:48 a.m The volcano erupts But thankfully, everyone is safe 10 Page 57 G They plant many different crops in the soil Many different crops are planted in the soil They grow grapes, beans and tomatoes in these fields Grapes, beans, and tomatoes are grown in these fields In other places, they grow rice on the rich volcanic land In other places, rice is grown on the rich volcanic land They make electricity from the steam.
 Electricity is made from the steam They close the schools in the summer The schools are closed in the summer They need the children to work in the fields Children are needed to work in the fields H Students’ own answers I Students’ own answers Unit 12 Page 58 B When was the village opened? The idea was discussed in the 1950s by a group of librarians, and a collection of maps and old photos was started In the 1970s, a plan was discussed to rebuild a village on a piece of land which had only old coal mines and empty factories Work began soon afterwards and a few buildings were erected Then in 1980, a tramline was installed to transport visitors to the center of the village Were lots of other buildings moved at that time? Yes, they were Lots of shops, houses, and factories were moved and rebuilt Even a school, a movie theater, and a fairground were opened to the public Was everything moved at the same time? No, it wasn’t The fairground and the movie theater weren’t moved until later It’s very complicated For example, all the bricks were numbered and photographed, and then they were put onto trucks and taken there Is the village complete now? No, it is developing all the time A complete 1930s street, for example, was added in 2010 The verb that comes before each past participle is the simple past form of be Page 59 B was changed was begun were numbered and photographed was rebuilt wasn’t built weren’t moved Page 60 C A collection of maps and old photos was started A plan was discussed to rebuild a village A tramline was installed to transport visitors Lots of shops, houses, and factories were rebuilt A movie theater and a fairground were opened to the public The bricks were taken to the village D The village was rebuilt A school and a factory were moved The collection of maps and photos was started by the librarians The buildings weren’t rebuilt at the same time The fairground and the movie theater weren’t moved until later A few buildings were erected in the 1970s E No, it wasn’t Yes, it was No they weren’t Yes, they were No, it wasn’t Yes, it was Page 61 F Dubai was changed very quickly The desert was made into a modern city Very tall buildings were erected The roads were constructed for cars, not for camels Lots of hotels and restaurants were built for visitors Many foreign banks and shopping malls were opened there Everything was designed to attract tourists and business people In 2009, a tram system, called the Dubai Metro, was installed to transport people quickly around the city It was opened by the Sheikh Dubai wasn’t built for the present: it was designed for the future was made were erected were constructed were built were opened was designed was installed was opened wasn’t built 10 was designed Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press 11 G Students’ own answers Module Review Page 62 A 1st picture (from left) 2nd picture 3rd picture 4th picture 5th picture Make your own volcano! Two spoons of semolina and six spoons of bicarbonate of soda are put in a glass bottle The bottle is shaken to mix them up A small glass is filled with vinegar A few drops of red food coloring are added The bottle is taken outside and is put on the ground Sand is piled up around the bottle like a mountain, until only the neck shows This is the volcano A sheet of paper is used to make a funnel The liquid is poured carefully into the bottle The volcano erupts! Why does it erupt? Vinegar and bicarbonate of soda react together Carbon dioxide is formed Bubbles are formed These bubbles push the semolina and food coloring out of the top of the bottle B c f d a b e C Buildings aren’t destroyed by the eruption Tourists aren’t told when it is dangerous to climb the mountain Crops aren’t damaged The information isn’t sent to the newspaper reporters The mayor isn’t told to call a meeting The eruption isn’t seen all over the world The noise isn’t heard far away Page 63 D Are crops grown on the volcanic soil? Is magma pushed up inside the mountain? Is information collected? Is the data analyzed? Are samples of gas collected? Are tourists told not to climb the mountain? E was discussed was  started was built was  completed were added Were  designed was bought were built Are  made 10 were made F was built was changed was opened was offered was made was paid was taken Unit 13 Page 64 B Any four of these adjective/noun pairs: rich man, wonderful food, cold drinks, juicy olives, tasty chicken, dirty work clothes, muddy shoes, crowded room, beautiful clothes, delicious food, expensive coat C Students’ own answers Page 66 B quickly nervously nicely quietly well fast politely carefully C warmly slowly beautiful delicious loudly quietly noisy polite D He picked up some delicious grapes He had a cold drink It tasted delicious He put the juicy chicken in his pocket The guests stared nervously The rich man ran over He answered politely I am feeding my beautiful coat E The rich man has a loud voice The rich man talks loudly Nasruddin is a hard worker Nasruddin works hard Soodabeh wore beautiful clothes Soodabeh was dressed beautifully Their singing was noisy They sang noisily Nasruddin is a fast runner Nasruddin runs fast The guest had a kind voice The guest spoke kindly Page 65 E Any six of these adverb/verb pairs: happily welcomed, walked slowly, smiled warmly, quietly sat down, said clearly, stared nervously, calmly fed, asked politely F Students’ own answers Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press 12 Page 67 F The rich man always has a party in the summer The rich man usually has a party in the summer Nasruddin has always been invited to the party Nasruddin has never been invited to the party Nasruddin usually works in the fields until sunset Nasruddin always works in the fields until sunset He doesn’t often wear his fine clothes He doesn’t usually wear his fine clothes He sometimes eats tasty chicken and olives He doesn’t often eat tasty chicken and olives Nasruddin is never late for a dinner party Nasruddin is sometimes late for a dinner party G Nasruddin’s wife always felt ill in the morning She usually asked Nasruddin to give her a cold drink of water But today, she still felt sick She didn’t even want some delicious grapes She asked Nasruddin to get a doctor Nasruddin got dressed quickly and ran downstairs His wife suddenly shouted from the window, “Don’t worry! I feel fine I don’t need a doctor after all.” Nasruddin ran fast all the way to the doctor’s house He knocked loudly on the door The doctor opened the door Nasruddin said, “Doctor, my wife was sick this morning She told me to get a doctor When I left the house, she recovered, and told me that she didn’t need a doctor So I have come here to tell you that you don’t need to come to my house.” Unit 14 Page 68 B Ideas from fifth grade for the school board Our school is not very “green” at the moment If we did some simple things, we would save electricity and would save money If the school board discussed our ideas and made the changes we suggest, our school would be the “greenest” in Mexico We ask the school board to discuss our ideas and take action on the best ones If we had classes four days a week, the school would use less electricity If we always turned off the lights when we left a room, we would save money If we stayed at home and had classes on the Internet, we would be able to close the school! If we didn’t use books, we would save paper If we closed the doors and windows in winter, we would save money on electricity C c b a e a D If / would If / would Page 69 B was would walked recycled would turned would usually cold sick delicious quickly suddenly fine fast loudly H Students’ own answers Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press C The fifth grade has sent us lots of ideas how to make our school green and how to save money Do you think they are good ideas? Yes, I If the school did everything the fifth grade suggested, we would be really green No, not everything! I think some of the ideas are not very good If we had classes online, we wouldn’t have a school at all! Yes, that’s right, but maybe if students had classes three or four days a week, we would save electricity! Yes, the school would save electricity if we had a shorter school week, but if we stayed at home, we would use more electricity there OK, thanks for your comments I think now it would be a good idea if we all wrote down our ideas in time for our next meeting, OK? did would be had wouldn’t have if would save stayed would use if 10 wrote Page 70 D would walked used would would not would E d a e c b F If we recycled our clothes, we would help other people If we cycles to school, we would save money If we used less paper, we would save more trees If we recycled more, we would have less garbage If we picked up litter, we would have a tidier town 13 Page 71 Page 73 G He would miss seeing his friends everyday She would her school work in the morning, by eleven o’clock H Students’ own answers E If we collected old newspapers, we could sell them and buy toys for the children If we brought all the toys we don’t play with, we could give them to the children If we all made cakes and sold them at school, we would earn money to buy things for the children If we all gave a dollar from our allowance, we could buy the children lots of books If we all painted a picture and sold it to our parents, we could buy something nice for the children F c d a b e G Students’ own answers Module Review Page 72 A quick nervous nice quiet noisy happy B kindly beautifully politely carefully clearly slowly C He always enjoys festivals We don’t usually eat cakes and cookies There is always a lot of fresh fruit She always cooks before the party Do they sometimes bring gifts? Do people usually wear expensive clothes? D Adjectives and nouns in the word snake: cold, drinks, beautiful, clothes, delicious, food, gentle, music, sunny, weather sunny weather delicious food cold drinks beautiful clothes gentle music Unit 15 Page 74 B The trip to London was long We felt excited, but our teachers looked tired When we arrived, we had a snack, which tasted good We ate quickly and went to a room where a scientist explained clearly what we were going to Then we worked in groups and did experiments In the first experiment, we had three buckets of water: one cold, one warm and one hot We put our hands slowly into one bucket and then took them out quickly and put them into another After putting your hands into the cold water, the warm water felt hot After putting your hands into the hot water, it felt cold! In the second experiment, we closed our eyes and smelled food My food smelled sweet, and I guessed it was a cake In another experiment, they played songs very fast All the words sounded different It was impossible to understand them The music sounded strange, as well We went to bed at ten and they turned off the lights Everything looked scary in the dark Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press C excited tired good hot sweet strange scary D quickly sweet clearly slowly strange Page 75 B loudly clearly happy cold warm loud quiet bad good 10 sweet 11 bitter 12 quickly 13 carefully 14 quietly Page 76 C Worksheet Experiment Put your hands into the boxes and touch the animal skins quickly How they feel? Which one feels coldly and roughly? Which one feels smoothly? Which one feels warmly? Experiment Listen carefully to each noise Which engine sounds very loudly? Which bell sounds very quietly? Experiment Close your eyes Take a bite of each fruit and chew it slowly Which fruit tastes very sweetly? Which tastes bitterly? What are they? D well cold loud horrible scary strange 14 E Are you asleep, Mel? No, I didn’t sleep very well I felt very cold The room was freezing Me too I heard lots of noises, and the air conditioning sounded very loud Yes, it was very weird And the air smelled horrible Not like normal I think it was from the chemicals we used in the experiments Yes, maybe And in the dark, the objects in this room looked scary Like monsters! I was frightened And my mouth felt strange because of all the bitter things they gave us to chew! Page 77 F Our sandwiches tasted good The water felt cold The car engine sounded bad The children looked tired The chemicals smelled horrible G felt sounded tasted looked smelled H clearly quietly happy quickly sweet slowly I Students’ own answers Unit 16 Page 78 B Michael Kanu from Senegal – tightrope and aerial dancing Is it easy to be a circus performer? It depends Sometimes it’s difficult to learn new routines, but it’s fantastic to perform in front of an audience It might look easy, but it’s difficult to well I love performing, so it’s fun to be onstage Olivia Chen from China – juggling Do you like touring, or is it better to stay in one city? I like touring, because it’s interesting to visit new places I like traveling But my husband prefers being in one place, because it’s tiring to travel all the time Selcuk Akpek from Turkey – acrobatics What you like most about being in the circus? I love being part of this “international family”: we come from all over the world, and we are great friends When I first arrived, I couldn’t understand much My English wasn’t very good, and it was hard to understand lots of different people, but now it’s fine This is the best job in the world It’s difficult to learn new routines It’s fantastic to perform in front of an audience It’s difficult to well It’s interesting to visit new places It’s tiring to travel all the time It was hard to understand lots of different people Page 79 C Students’ own answers Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press Page 80 B Hi Anita It’s nice to meet you Congratulations on the show! Thanks It’s a dream come true! It’s hard to tell you how excited I am Do you get nervous onstage? Yes I’ve tried out for lots of other shows Sometimes you are too short, too tall, your hair is the wrong color, or they don’t like your voice It’s impossible to be perfect for every part But then I got lucky! Wow! Spaceship! is great It’s fun to things with your friends, and the other actors are my friends now Do you sometimes wish you were at home on the weekends? Yes, I I love playing volleyball, and I can’t play on my school team because of the show It’s disappointing to miss birthday parties But it’s nice to have the chance to this to meet to tell to be to to miss to have C See underlined words in Exercise B D b c a e f d E It was fun to work in the circus It was hard to train every day It was impossible to remember everything in the beginning It was nice to be part of a team It was fun to dress up in a costume It was difficult to perform day after day It was incredible to make children laugh every day! 15 Page 81 F It’s difficult for learn fire-eating / difficult to learn It nice to perform every night / It’s nice It not interesting to stay in one city all the time / It’s not I think it’s nice to wearing a different costume for each new show / nice to wear It isn’t hard for stay with the circus – it’s the best job in the world for me! / hard to stay It was interesting for travel to different cities each month / interesting to travel G Is it scary to be onstage? Is it difficult to learn your lines? Is it disappointing to miss parties? Is it fun to meet newspaper reporters? Is it hard to say what you miss the most? Is it nice to have the chance to this? H It isn’t difficult to work with your friends It isn’t scary to try something new! It isn’t easy to learn lines It isn’t interesting to talk to reporters It isn’t fun to miss school each week It isn’t possible to be in every show I Students’ own answers Module Review Page 82 A Hi Tulai, I went to Disneyland near Tokyo with my family last weekend It was a great trip, but I didn’t enjoy the flight there My brother and I felt scared when the plane started to take off We thought the noise of the engines sounded strange, but when the plane was in the air, the engines sounded normal The flight was only an hour, but it felt very long We wanted to arrive as quickly as possible On the coach journey from the airport to Disneyland, our parents looked very tired, and they soon fell asleep When the coach arrived at Disneyland, our parents looked refreshed again after their sleep We went to our hotel and unpacked quickly There were some flowers on the table in our room They looked beautiful, and they smelled fantastic Then we went to Disneyland and spent about five hours on the different rides and other activities At night, everything looked so bright, and the music sounded great I’ll tell you more and send some photos in my next email I have to go Bye for now, Amy See circled words in Exercise scared strange normal long tired refreshed beautiful / fantastic bright great Page 83 B Is it easy to be a musician? Do you practice a lot? Do you like touring, or is it better to stay in one place? C It’s fun to work in the orchestra It isn’t easy to learn It is difficult to well It was fun to travel overseas It was fascinating to visit Japan Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press D c a d b Unit 17 Page 84 A The building is unusual because it is made of ice B a a a C a the D The my favorite subject is the art I live in the Harbin, in the China My favorite sport is a tennis Artists turn the blocks of ice into the palaces and the statues Page 85 B Jinghua is a student She lives in China She went to an international festival this year The palaces were beautiful She drew a picture of an ice palace C a an an an a a Page 86 D – the the – the the – E a the the the the a the the a 16 F b d a e c Shi Qi Gao is a student He studies art and technology in college He likes to visit the Ice and Snow Festival in Harbin every year He wants to be an architect when he finishes college He thinks the snow palaces at the festival are incredible Page 87 G – a the the an an H Students’ own answers Unit 18 Page 88 B ’s arriving work have been was cleaning ’m making was C going to, ’s arriving, ’ll / will has worked / ’ve cooked / ’ve prepared, was baking / was cleaning, were is / ’m / work / are / feel / have / smells, ’m making, have been Page 89 B There are many castles all over the world They have different designs Some castles have round towers Many castles have strong walls Most castles are cold and damp inside Page 90 C The knights aren’t riding the horses The jester isn’t making the king laugh The cook isn’t preparing a great banquet The peasant isn’t working in the fields The queen isn’t eating her breakfast The king isn’t arriving at o’clock The baker isn’t baking bread D was lived worked needed did grew was contained had 10 stored Farming was very important to the castle inhabitants Everyone who lived and worked in the castle needed food and drink, and so did all the animals People grew most of their food in the fields around the castle Inside the castle, the kitchen was an important room It contained the fires for cooking Castles usually had other rooms for food nearby, such as the bakery, and rooms where the cook stored food E was working were having were working were cleaning were lighting were practicing “I was working hard all day today While the lords and ladies were having their main meal at eleven in the morning, we were working in the kitchen, cooking for the dinner that night The servants were cleaning the bowls and jugs, others were lighting the fires around the castle and the musicians were practicing their music Imagine the noise!” Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press F He has baked the bread They haven’t finished the pudding She hasn’t made the fires They have poured the drinks She has helped the lady choose her clothes He hasn’t cleaned the floor She hasn’t cooked the meat He hasn’t fed the animals Page 91 G Can you help me? Have you baked the bread? Will it be good enough for the king? Is there going to be enough bread for everyone? Will you tell me when they arrive? Did you light the fires? Conversation One Tom, we need to check everything for the banquet tonight Can you help me? Yes, certainly Have you baked the bread? Yes, I have Will it be good for the king? Yes, it will I think it’ll taste delicious Is there going to be enough bread for everyone? Yes, there is We have cooked a lot Conversation Two The king and queen are going to be here soon Will you tell me when they arrive? Yes, I will My friends are watching from the tower Is it warm in the Great Hall? Did you light the fires? Yes, I lit them all this afternoon Good Do you think everyone will enjoy the banquet? Yes, I I think it’ll be a wonderful banquet Yes, me too! I Students’ own answers 17 Module Review Page 92 A a a the The The the B The walls are made of stone I live near Himeji Castle I live in Hyōgo, in Japan I like swimming, biking, and volleyball My favorite subject at school is English Perhaps you can come in April C an a a a D a The a the Page 93 E – – the – F wasn’t had trained served were had G enjoyed played told listened were H b e c a d I The king has arrived the for banquet The queen has sat down The food hasn’t come from the kitchen The musicians have started to play The singers have arrived The banquet just has begun! J is are is going to / will will ’re going to have written Exam Time Unit Page 94 A C D B E A G B A A C B B B Unit Page 95 C A B C C A C C B Unit Page 96 A F E D H A B Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press B June June 10 June 13 June 12 June 17 June 25 June June 25 June Unit Page 97 A d b a c he B c c b a Unit Page 98 A A A C A B B A A B a a a Unit Page 99 A c g e a h b B a b b a 18 Unit Unit 10 Unit 13 Page 100 Page 103 Page 106 A F D A H B G B b a e c f d C a b a c c Unit Page 101 A f d h e b a B b b c a c a Unit Page 102 A b c h e f g B c b a b c b a c b a a b c a a 10 c 11 c 12 a Unit 11 Page 104 A a b c a b b a B a a b c b a b Unit 12 Page 105 A a b c a c a B a b a a b A often usually sometimes always never B b c a a c b a a b Page 107 C b a a b c c Unit 14 Page 107 h a c e g b Unit 15 Page 108 b a b c c b a Unit 16 Page 108 f h a d c e Unit 17 Page 109 Students’ own answers Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press 19 Unit 18 Page 109 A a c a a c c c b a B b b – b – Oxford Discover Grammar  Student Book Answer Key  © Oxford University Press 20 ... answers Oxford Discover Grammar Student Book Answer Key © Oxford University Press 19 Unit 18 Page 109 A a c a a c c c b a B b b – b – Oxford Discover Grammar Student Book Answer Key © Oxford. .. Page 95 C A B C C A C C B Unit Page 96 A F E D H A B Oxford Discover Grammar Student Book Answer Key © Oxford University Press B June June 10 June 13 June 12 June 17 June 25 June June 25 June... designed Oxford Discover Grammar Student Book Answer Key © Oxford University Press 11 G Students’ own answers Module Review Page 62 A 1st picture (from left) 2nd picture 3rd picture 4th picture 5th