7. The people who waiting s outside are becoming impatient. 8 . He apologized about s not coming to the meeting. 9. These televisions are all too expensive for we s to buy at this time. 10. Linda asked her father that s he was going to New York the next Sunday. 11. If you had gone to bed early last night, you wouldn’t have been s so sleepy now 46/The primary causes of species extintion or endangerment are habitat destruction, Commerce s exploitation and pollution. 47/One of the best ways to encourage your children to read are s to provide interesting titles for them to enjoy. 48/A severe punishment is necessary to prevent poaching and cut s trees illegally. 49/I prefer watching a live concert to listen s to music on the radio. 50/He isn’t going to the conference in March and neither they are s . 46. The books writing s by Mark Twain are very popular in the world. 47. John took off his shoes so as to not s make any noise. 48. These televisions are too expensive for we s to buy at this time. 49. He stopped to smoke s because cigarettes are harmful to his health. 50. Had I heard the news last night, I would tell s you about it. Question 31: Jack London is known as one of the great novelist s of the world. Question 32: I told him once again not to make much noise while I am working s Question 33: You are always driving your car such s fast that you often caus accidents. Question 34: Seldom did her classmates and she go on a picnic with together s . Question 35: Our class will visit the teacher when we will s have free time. 36. Susan stopped to write s her letter because she had to leave for the hospital 37. We didn’t have many knowledge s about physics. 38.We were advised not drinking s the water in the bottle. 39. the storm prevented us to go out s 40. They can’t pay the rent unless their parents don’t send s them some money. 31.Because of the rise in unemployment, people still seem to be spending more. 32.Disease, pollute s , and limited distribution are factors that threaten various plant and animal species. 33.Unless s you study hard,you will pass the next exam. 34.The more you say, the worst s the situation will be. 35.What he told you seem s to be of no importance. 28. When we arrived at the station, the train has already left s . 29. They speak English well because they practise speak s it every day 30. I enjoy my life here. I have much s friends and we meet quite often. 31. If I were you, I would have forgotten about buying a new car. 32. Lan has lived in Ho Chi Minh City for s 1999. 46). Despite of s his old age , he works very hard. 47). I enjoyed talking to the people whom I had dinner with them s last night. 48). Lan often arrives at the office at nine o'clock, but because s the storm, she was late this morning. 49). He never goes home before he will finish s his work. 50). The sun is so s bright for us to look directly. 41. She must have her reasons where s she doesn’t want to tell. 42. In spite of s my father is old, he still goes to work. 43. If you listen to the questions carefully, you would answer s them easily 44. Dave was crossing the road when Jane was calling s out to him. 45. He is enough strong s to carry the heavy luggage. 33. They asked us, Henry and I s , whether we thought that the statistics had been presented fairly and accurately. 34. The unemployment rate of the area raised s every year until 2003 and then started to fall. 35. Oceans of the world exerts s strong influences on the weather over the Earth’s surface. 36. Since infection can cause both fever as well as s pain, it is a good idea to check a patient’s temparature 46. Peter couldn’t stay on the horse’s back and neither Bob could s . 47. I feel safely s to tell him my secrets . 48. No matter what different s , various music types have one thing in common : touching the hearts of the listeners 49. The more careful s you drive , the fewer accidents you will have . 50. Having punished s twice this week , Kate feels ashamed of her bad behaviour. . meeting. 9. These televisions are all too expensive for we s to buy at this time. 10. Linda asked her father that s he was going to New York the next Sunday of species extintion or endangerment are habitat destruction, Commerce s exploitation and pollution. 47/One of the best ways to encourage your children