Your full name: Class 9 Test 45 minutes Question I : Listen to the passage . Fill in the gaps . You will hear the speaker twice (2,5 p) Jeans are the most popular kind of (1)…………… in the word. They are popular almost everywhere,in Japan, France, Indonesia, and Brazil. (2) …………. people and poor people (3)………… them.Young people and even some old people wear them,too. In the United States, they are the only kind of (4)……………… clothes. In other countries, young people wear them because they want to look (5)………. . Jeans are sign of youth and independence. Everyone wants to be modern, young and independent. Question II : Choose the best option to complete the following sentences : (2,5 p) 1. Mai( has lived / is living / lives ) In Ha Noi for 3 years so far 2. It is very difficult for Lan ( have / to have / having) a trip aboard 3. My father used( to write / writing / to writing ) newspapers in the morning . 4. Today jeans are ( famous / popular / traditional ) all over the world . 5. Some designers have taken( invitation / invention / inspiration )from Vietnam ’ s ethnic minorities . Question III : Read the passage and do the task that follows ( 2,5p) Chang Mai is a city in the north of Thailand that has a wonderful night market . In the evening , the main street is lined with small stands and shops that sell almost everything you van imagine . Some stands sell jewelry or clothing , others sell traditional Thai crafts , and still others sell fresh fruit and spices . It is very easy to spend an entire evening just looking at everything and it is also easy to buy things because the prices are very reasonable . There are a lot of wonderful attractions in Chang Mai , but the night market is the most attractive to many people . 1. Where is Chang Mai ? 2. How is the street in Chang Mai at night ? 3. What can you buy in the market ? 4. Are things in the market very expensive ? 5. Is the market the only attraction in Chang Mai ? Question IV : Write a paragraph about 80 - 100 words , using the out line : ( 2,5 p) Vietnamese women should wear the ao dai at work Outline Wearing the ao dai + encourages them feel proud of the traditions and customs + makes them more beautiful and charming + is practical . No need to think of what to wear at work everyday . Your full name: Class: The fourth English Test (45) English 8 I. Supply the correct tense of the verbs. 1. He (not hear) ………………… the news yet. 2. They (play) ……………….badminton in the school yard at the moment. 3. He was eating when the milk man (come) ……………. 1 4. Do you think it (rain) …………………tomorrow? 5. She (eat) ……… rice for lunch, doesn’t she? II. Choose the best answer. 1 We can reuse things (as / such / like / so) envelopes, glass and plastics bottles. 2. She will be here (for / in / on / to) two hours. 3. Would you mind (to wait / waiting / be waiting) for a few minutes. 4. (Have you ever been / were you been / are you been) to America yet? 5. Look! I can see a boy (run to run running) in the street now. 6 .Would you mind if I (to take / taking / took) a photo? 7 .The lamp (make / making / made) in chine is the most expensive of all . III. Rewrite the following sentences. 1 .Learning English is difficult. -> It is ………………………………………………………………. 2. English is spoken all over the world. -> People ………………………………………………………………… 3. No one in the class is more difficult than Hoa. -> Hoa is …………………………………………………………… 4. Huong will draw the picture tomorrow. -> The picture ……………………………………………………… 5. The man is my brother .He is playing badminton. -> The man ……………………………………………………………. 6. The book is over there .It was written by William Shakespearse. -> The book …………………………………………………………… IV .Change the following sentences in to the passive voice. 1 .The teacher explained the lesson. -> ………………………………………………………………………. 2. Parents look after their children. -> ……………………………………………………………………… 3. Can you write the letter for me? -> ……………………………………………………………………… 4. She has not finished the home work. -> ……………………………………………………………………… V. Find the word differently from others. 1. a. Late b. Hat c. Ate d. Hate 2. a. Aunt b. Are c. Harm d. Late 3. a. Thing b. There c. Their d. This 4. a. May b. Bat c. Fat d. Cat The end Your full name: Class: The fourth English Test (45) English 9 I. Choose the correct answer among A, B, C or D and circle it 1. Can you turn ……….the light? It’s too dark A. on B. off C. in D. for 2. He was tired, ……….he took a rest before continuing the work A. Because B. if C. so D. but 3. …………is a person who installs and repairs water pipes A. electrician B. carpenter C. locksmith D. plumber 4. I suggest…………to the movies A. going B. to go C. go D. went 5. She was very ……in going swimming A. interesting B. interested C. interest D. interestingly 6. Where …….you go if you have a car? A. have B. will C. do D. did 2 7. I want everybody to listen………… A. care B. careful C. careless D. carefully 8. He is very tired, …… , she has to finish his homework A. moreover B. so C. however D. and II. Give the correct tense or form of the verbs in brackets 1. I stopped (buy) …………. a newspaper on the way home 2. You’ll feel cold if the sun (not shine)………………… 3. I (invite)…………… to her party last night. 4. If this car is cheap, it (buy)…………… 5. She (not use)…………… this house for years III. Complete the second sentence so that it has a similar meaning to the first. Use the words in brackets 1.I’m trying to find my keys (looking) …………………………………………………………………………………… 2. I regret Mary isn’t here now (wish)  ………………………………………………………………………….………… 3. I stay at home because it is raining(As)  ……………………………………………………………………………… 4. She enjoys going fishing (interested ) ……………………………………………………… 5. “Why don’t you go with me?” he asked me (asked me why) …………………………………………………… 6. Does it take you fifteen minutes to walk to school (spend) ……………………………………………………… 7. Let’s sing a song, Nam said (suggested) ………………………………………………………………………………. 8. He likes her because she is very beautiful (because of) …………………………………………………………… IV. Use connective to combine each part of the sentences. 1. They went for a walk. The weather was bad (but) ………………………………………… 2. He got wet. He forgot his umbrella (there fore) ……………………………………………………………………. 3. We are saving money. We want to buy a new house (so) …………………………………………………………. 4. The room is very small. It’s quite comfortable (although) …………………………………………………… V. Pick out the word that has underlined part pronounced differently from the rest. 1. a. polite b. litter c. decide d. crier 2. a. worked b. watched c. cleaned d. stopped 3. a. thing b. they c. there d. than 4. a. please b. street c. feel d. break The end Test number 2 Name …………………………………………… class 8 ………… I / Complete the sentences with the suitable words or phrases in the bracket(2ms) 3 1. ……… problem , sir ! ( any / without / no ) 2. ……… I help you , madam ? ( should / may / need ) 3. Yes . That is very …………of you . ( help / kind / fine ) 4. Could you ………… me a favor ? ( do / make / take ) 5. I am ………… . I am really busy . ( pity / not good / sorry ) 6. Do you…………. any help ? ( have / need / think ) 7. Are you …………forward to the vacation ? ( look / to look / looking ) 8. ……… me help you . ( give / let / ask ) II/ Supply the correct form of the verbs in brackets(2ms) 1. My brother doesn’t likes ( listen)………………….to music. 2. She hates (do)………………… the same work every day. 3.My train ( arrive )……………….here at 7.30 tomorrow. 4.What time……………the bus (leave)………………? - It (leave)……………….at 8.15 tomorrow morning. 5. She used (visit)……………….the zoo when she (live)……………. in Hanoi. 6. She asked me (give)………………her the book on the table. III/ Rewrite these sentences as directed(2ms) 1. “ Please lend me this book , Lan , ” said Hoa . = > Hoa told Lan ……………………………………………………. 2. “ Can you buy me some dink? ” said she . => She asked me.…………………………………………………… 3. “ You should practice speaking English every day , ” => The teacher said we ……………………………………………… 4. “ Could you help me ? ” Mrs. Jackson said to Mary . => Mrs. Jackson asked Mary…………………………………………. IV / Read the passage carefully , then answer the questions below .(2ms) It was the first lesson after the summer holidays at a small school in England . The lesson was about the seasons of the year . “ There are four seasons in the year , “ said the teacher . “ They are Spring , Summer , Autumn and Winter . In Spring it is warm and everything begins to grow . In summer it is hot and there are many flowers in the fields and gardens . In Autumn there are many vegetables and much fruit . Everybody likes to eat fruit . In summer it is cold and it often rains . Sometimes there is snow on the ground . “ Here the teacher stopped and looked at one of the pupils , “ Stop talking , Tom , “ he said . “ Now listen to me . Can you tell us when is the best time of apples ? “ “ Yes , sir , “ answered Tom . “ It is when the farmer is not at home and there is not a dog in the garden . “ Questions : 1. Did the lesson take place at a small school in Vietnam ? ………………………………………………………………………… 2. What was the lesson about ? …………………………………………………………………………. 3. Did the teacher ask Tom to eat an apple ? …………………………………………………………………………. 4. What was Tom ’ s answer ? ………………………………………………………………………… V / Listen and complete the dialogue (2ms) A :Could you do me a……………… , please ? B : Sure . What can I do you for you ? A :Can you ……………………. the suitcase for me ? It is heavy . 4 B : ………………………. I will help you . A : Thank you very much .That’s very ………………of you. B : Not at all. Key I/Each correct answer is 0.25 mark. 1.No 2. May 3.kind 4.do 5.sorry 6.need 7.looking 8.let II/ Each correct verb is 0.25 mark. 1.listening 2.doing 3.arrives 4.does;leave/ leaves 5.to visit/ lived 6. to give III/ Each correct sentence is 0.5 mark. 1. Hoa told Lan to lend her that book. 2. She asked me to buy her some drinks. 3. The teacher said we should practice speaking English everyday. 4.Mrs.Jackson asked Mary to help her. IV/ Each correct answer is 0.5 mark 1. No, it didn’t. 2. The lesson was about the seasons of the year. 3. N, he didn’t. 4. His answer was the best time of apples was when the farmer was not at home and there was not a dog in the garden. V/Each correct word is 0.5 mark. 1. favor 2. carry 3.Certainly 4.kind Test 15 Name : …………………………… class 9………… I/ Choose the best answer 1. If she________hard, she’ll break past records and set new ones.( try, tries, will try). 2. If her father doesn’t drink much wine, he_________ so sick. ( won’t be, doesn’t get, isn’t.) 3. The lakes in our town are polluted _________ (bad, badly). 4. Bob is sometimes a _________ driver.( dangerous, danerously.) 5. I suggest _________ the garbage.( collect, collected, collecting). II/ Use the correct form of the verbs 1.If she ( arrive)__________the airport, I’ll let you know. 2. I suggest ( put)__________the trash in the garbage cans. 3. If I (not feel)_____________well, I (stay)__________at home. 4. How about ( turn off)__________the lights? 5 Test 15 Name : …………………………………… class 8………… I/ Choose the best answer 1. Would you mind if I ( use, used, using ) your books? 2. Do you mind (make, made, making) me some coffee? 3. Do you mind if I (play, played, playing) the piano? 4. We will have (3-month, 3- months) vacation. II/ Use the correct form of the verbs. 1.Would you mind (explain)……………………………this word to me? 2.Do you mind if I (use)……………………………….your pen? 3. It’s very interesting (learn)……………………… English. Period 19 Test number 1- 45 minutes Class 8 I- Use the correct form of the verbs in the brackets : ( 2ps ) Lan is Hoa’s best friend. The two girls ( 1 – be ) in the same class at Quang Trung school. Last year Lan ( 2- come ) to the school for the first time, Lan ( 3- show ) her around and ( 4- introduce ) her to many new friends. Now they ( 5- talk ) to each other on the phone. 1- 2- 3- 4- 5- II- Choose a, b, c or d to complete the following questions : ( 2ps ) 1- The children are old enough to look after a- them b- their c- themself d- themselves 2- You have to all dangerous objects out of the children’s reach. a- keeping b- keep c- keeps d- to keep 3- Ba isn’t to drive a car. a- old enough b- not old enough c- enough old d- not enough old 4- The Earth …………… around the Sun. a- rises b- sets c- goes d- go 5-It’s dangerous to let children in the kichen a- play b- to play c- playing d- to playing 6 didn’t you go to school yesterday ? Because I was ill. a- what b- which c- when d- why 7- You should go to the to buy some fish and vegetables a- market b- post office c- kichen d- theater 8- My friend, Hung is the most student in my class. a- sociable b- sociably c- society d- sociation. 1- 2- 3- 4- 5- 6- 7- 8- III- Fill in the blank with one suitable preposition : ( 2ps ) 1- I’m usually free Saturday and Sunday. 2- She likes working young people. 3- Can I speak Phong please? 6 4- What’s television tonight ? 5- The school a bit far my house III- Read this passage carefully then answer the following questions : ( 2ps ) One of the invention made in the world of science and technology is the telephone. This instrument has become an important part in our daily life. The word “ telephone ” comes from two Greek words “ tele ” and “ phone ” .These words mean “ far ” and “ sound ”. The telephone uses electricity to carry sound over a distance. Since its invention by Alexander Graham Bell in 1876, the design of the telephone set has changed greatly. However, the way the telephone works is still the same. 1- What has become an important part in our daily life? 2- What do the words “ tele ” and “ phone ” mean? 3- Who invented the telephone? 4- In what year was it invented? IV-Make sentences from the sets of words and phrases provided: ( 2ps ) 1- There / be / vase of flowers / the table. 2- Alexander Graham Bell / born / March 3 rd , 1847. 3- I / not to be as / outgoing / my friend. 4- Ba / not to be / old enough / drive / car. Period 37 Test number 2 Class 8 I / Complete the sentences with the suitable words or phrases in the bracket(2ms) 1. ……… problem , sir ! ( any / without / no ) 2. ……… I help you , madam ? ( should / may / need ) 3. Yes . That is very …………of you . ( help / kind / fine ) 4. Could you ………… me a favor ? ( do / make / take ) 5. I am ………… . I am really busy . ( pity / not good / sorry ) 6. Do you…………. any help ? ( have / need / think ) 7. Are you …………forward to the vacation ? ( look / to look / looking ) 8. ……… me help you . ( give / let / ask ) II/ Supply the correct form of the verbs in brackets(2ms) 1. My brother doesn’t likes ( listen)………………….to music. 2. She hates (do)………………… the same work every day. 3.My train ( arrive )……………….here at 7.30 tomorrow. 4.What time……………the bus (leave)………………? - It (leave)……………….at 8.15 tomorrow morning. 5. She used (visit)……………….the zoo when she (live)……………. in Hanoi. 6. She asked me (give)………………her the book on the table. III/ Rewrite these sentences as directed(2ms) 1. “ Please lend me this book , Lan , ” said Hoa . = > Hoa told Lan ……………………………………………………. 7 2. “ Can you buy me some dink? ” said she . => She asked me.…………………………………………………… 3. “ You should practice speaking English every day , ” => The teacher said we ……………………………………………… 4. “ Could you help me ? ” Mrs. Jackson said to Mary . => Mrs. Jackson asked Mary…………………………………………. IV / Read the passage carefully , then answer the questions below .(2ms) It was the first lesson after the summer holidays at a small school in England . The lesson was about the seasons of the year . “ There are four seasons in the year , “ said the teacher . “ They are Spring , Summer , Autumn and Winter . In Spring it is warm and everything begins to grow . In summer it is hot and there are many flowers in the fields and gardens . In Autumn there are many vegetables and much fruit . Everybody likes to eat fruit . In summer it is cold and it often rains . Sometimes there is snow on the ground . “ Here the teacher stopped and looked at one of the pupils , “ Stop talking , Tom , “ he said . “ Now listen to me . Can you tell us when is the best time of apples ? “ “ Yes , sir , “ answered Tom . “ It is when the farmer is not at home and there is not a dog in the garden . “ Questions : 1. Did the lesson take place at a small school in Vietnam ? ………………………………………………………………………… 2. What was the lesson about ? …………………………………………………………………………. 3. Did the teacher ask Tom to eat an apple ? …………………………………………………………………………. 4. What was Tom ’ s answer ? ………………………………………………………………………… V / Listen and complete the dialogue (2ms) A :Could you do me a……………… , please ? B : Sure . What can I do you for you ? A :Can you ……………………. the suitcase for me ? It is heavy . B : ………………………. I will help you . A : Thank you very much .That’s very ………………of you. B : Not at all. Period 53 The first semester test Class 8 I / Complete these sentences with the suitable words or phrases in the brackets 2,0 Ps 1 .We must be there( at /before/ between /after )7. 30 and 8 . 15 2. Vietnamese language is different ( as/like / from /with ) English language . 3. She told me ( giving / to give /gave ) you this present . 4. Jane is ( as/ like /the most / more ) beautiful than her sister . 5 . Mary likes ( playing/ plays /played /play ) the piano . 6. When my uncle was young , he used ( go/ went /going/ to go ) fishing on Sundays 7. He ( left / has left / leaves ) for London a year ago . 8. I have known her ( since / for / at / in ) three years . II / Complete the conversation : ( 2,0 Ps ) A : Can I help you ? B : I would like ……… this parcel to Hanoi A : Do you want to send it airmail or surface mail ? B : I am not sure . ……… is airmail ? A : I will have ……… the parcel first . Well , two kilograms . That will be 9,000 dong B : That is not very cheap . But …………… it airmail . 8 A : All right . III / Supply the correct tense form of the verbs in the brackets : ( 2,0 Ps ) 1. They ( live ) ………… in Hanoi for 20 years . 2. My aunt ( not go ) ……… out of her house since she ( buy )………. a color TV 3. The film ( begin ) …………… at 7. 30 pm tonight . 4.The weather (get)……………….colder. 5.We (have)………………a party next Sunday. Would you like (come)………… ? 6.She (go)……………….out since this morning. IV/ Read the passage carefully . Then answer the questions below : ( 2,0 Ps ) Chiang Mai is a city in Thailand that has a wonderful night market . In the evening , the main street is lined with small stands and shops that sell almost anything you can imagine . Some stands sell jewelry or clothing , others sell traditional Thai crafts and still others sell fresh fruit and species . It is easy to spend an entire evening just looking at everything . If you decide to buy something , you will not be disappointed The prices are very reasonable . There are a lot of wonderful attractions in Chiang Mai , but the night market is a favorite for many people . 1. Where is Chiang Mai ? 2. How is the main street in the evening? 3. What can you buy in some stands in Chiang Mai ? 4. Are the prices expensive ? V / Listening comprehension : You are going to listen twice . Check (v) the correct box for True or False : ( 2,0 Ps ) Statements True False 1. Ba is younger than Lan 2. Lan is shorter than her brother 3. Both Ba and Lan go to school in the morning 4. They love pop music , reading novels . Period 19: Test number 1 Class 7 Question I: Choose the best answers to complete the sentences .(1,5ps) 1. We will ……………our old friend next Sunday. A. to meet B. meeting C. meet 2. Her birthday is ……………Friday, August 20th A. at B. in C. on 3. This dress is the ………… expensive of the four dresses A. best B. more C. most 4. My father take care …………….sick children. A. of B. about C. in 5. Would you like …………the movie with me? A. see B. to see C. seeing 6. Which is the most beautiful apartment? A. The smallest one B. the smaller one C. a small one Question II: Supply the correct forms of the verbs in brackets. ( 2ps) 1. Mr Hung ( be ) ………….a doctor. He ( work ) …………….in a hospital. Everyday he ( catch)…………….the bus to work. 2. We ( not play )…………………soccer tomorrow, we ( visit ) ………………. our old friends. 3. What your father ( do ) ……………………now? He ( watch ) …………………TV in the living room. 9 4. She’d like ( come ) …………… with us. Question III: Rewrite these sentences , beginning with the words given. (2ps) 1. There is a sink, a tub and a shower in the bathroom. => The bathroom ……………………………………………………. 2. The picture is very expensive. => What ……………………………………………………………. 3. No houses on the street are older than my house. => My house ………………………………………………………. 4. She rides a bike to school everyday. => She goes ……………………………………………………… Question IV: Read the passage then answer the questions. ( 2,5ps) I am Hoa . I live with my parents in a small town in Hanoi. My parents are workers, and they work in a factory. Everyday, they go to work to the factory early in the morning and come back late in the afternoon. They go to work by bus. My school is not far from my house so I often go to school on foot. I often do the housework to help my parents. The next Sunday will be my thirteenth birthday. I’ll invite some of my classmates to join in my birthday party at my house. 1. Where does Hoa live ? ……………………………………………………… 2. How do Hoa’s parents go to work? ………………………………………… 3. Why does Hoa go to school on foot? ………………………………………. 4. How old will she be next Sunday? ………………………………………… 5. What will she invite some of her classmates to do ? ……………………………………………………………………………… Question V: Listen carefully , then complete this form.(2ps) Name :……………………………………… Date of birth :……………………………… Address : …………………………………. Telephone number :………………………. Period38 Test 45 minutes class 7 .…… … Name .…… ……… ……… ……… ……… …… I/ Supply the correct form of the verbs in brackets (2 ps) 1. Lan and Hoa ( read ) ……………………… in the library at the monent 2. We (not come ) …………………………….here tomorrow morning 3. Nam (go)………………………… to the E club every Saturday 4. You can (find) ………………………the match books on the racks in the middle II/ Choose the best answers (2ps) 1/…………. does Lan have science class ? At 8:40 a/ When b/ What time c/ How long 2/ Those books at the …………….of the library are in English a/ front b/ back c/ Shelf 3/ In the USA , students……………. school uniforms a/ Wear b/ Wearing c/ Don’s wear 4/ They are interested…………… literature a/ on b/ at c/ in 10 [...]... answer the questions My name is John , and this is my story Last year just before Christ mas my family and our uncle and aunt decided to go to Perth for holiday We went in two cars but we were about halfway there my uncle wanted to turn round and come back He said it was too far , and it was terribly hot, too Even at night it was really hot Anyway , what we decided to do was to drive back about 160... answer the questions My name is John , and this is my story Last year just before Christ mas my family and our uncle and aunt decided to go to Perth for holiday We went in two cars but we were about halfway there my uncle wanted to turn round and come back He said it was too far , and it was terribly hot, too Even at night it was really hot Anyway , what we decided to do was to drive back about 160... I/Each correct form of verb is 0,25m 1 didnt have 2 to play/ were 3 have you met 4 posted/ has not replied 5 havent seen/ were II/ Each correct answer is 0,25m 1 That is the girl who/that is wearing a white dress 2 That is the picture which/that is painted by Hoa 3 I heard about Nam , who won the championship 4 This house, which is repairing now, was built in 199 9 III/ Each correct word is 0,25m 1 used... without changing their meanings 1 I get to work in half an hour => It takes 2 Do you have a cheaper computer than this ? => Is this 3 How much is this dictionary ? => How much does 4 There are over eight hundred stamps in Tims collection => Tims collection 5 She doesnt have many toys as I => She has 6 My friends have more cadies than I => I dont Question 4 : Complete the sentences , using the... text and do the task that follows : (2,0 P ) It is not easy for adult students of English to improve their pronunciation Unlike children , adults often find it hard to change the way they speak This is why adult students have more difficulties in pronunciation than the children There are several things that international students of English can do to improve their pronunciation and to learn English... beef thin strips 3 Linh set the table plates , bowls , chopsticks and spoons 4 Salads are good your health , but we must wash them well water 5 We must clean hands having a meal 6 Hoa made cucumber salad some onions IV.Rewrite these sentences , beginning with the words given 1 She has over 100 stamps in her collection => There 2 What is the price of this cap ? => How much 3 How long is this... drive from here to the city center IV / Match a word in A with its definition in B (1,5p) 14 B a things like gold, oil, water, coal b a wonderful natural fertilizer c things like cows, pips, buffaloes d dont throw things away, try to find another use for them e dont buy products which are overpackaged f use things again and again 1 ; 2.; 3 ; 4; 5 ; 6 V / Listen Check ( ) the correct box for True or False... about Nam Nam won the championship 4 This house was built in 199 9 They are repairing it now III / Choose the best word to complete the sentences : ( 2,0 P ) 1 He ( used to / use to / does not use to / uses to ) play soccer when he was young 2 My mother is not here now I wish ( be / is / will be / were ) here 3 He will have a meeting ( at / from / in / till ) 7 am to 10... decide true / false sentences ( 2,5 ps ) Statements 1 Children open their presents before going to bed on Christmas Day 2 On Christmas morning , not all people go to church 3 the traditional Christmas dinner consists of roast turkey with potatoes 4 They have Christmas pudding after Christmas dinner 5 People usually pull crackers small rolls of paper that have gifts , jokes , and party hats insides... pronunciation is to learn English in an English speaking country where you can leaen the language as well as its culture Decide if these statements are true or false : T F 1 Adult students find it easy to change the way they speak 2 Children have fewer difficulties in pronunciation than adult students 3 Speaking and listening to English native speakers can help them improve their pronunciation 4 Watching . everything . If you decide to buy something , you will not be disappointed The prices are very reasonable . There are a lot of wonderful attractions in Chiang Mai , but the night market is a favorite. because they want to look (5)………. . Jeans are sign of youth and independence. Everyone wants to be modern, young and independent. Question II : Choose the best option to complete the following. . Decide if these statements are true or false : T F 1. Adult students find it easy to change the way they speak . 2. Children have fewer difficulties in pronunciation than adult students