24. After the race _______, the celebration began A. had been won B. is won C. will be won D. has been won 25. While he was washing his car, Mr. Brown _______a small dint vết lõm in the rear fender. Chắn bùn A. has discovered B. was discovering C. is discovering D. discovered 26. The earth _______ on the sun for its heat and light A. is depended B. depends C. is depending D. has depended 27. Im busy at the moment _______on the computer A. I work B. Im worked C. Im working D. I worked 28. At this time tomorrow _______over the Atlantic A. were flying B. well be flying C. well fly D. were to fly 29. Our friends _______meet us at the airport tonight A. are B. are going to C. go to D. will be to 30. When I entered the room, everyone _____________. A. has been dancing B. was dancing C. had danced D. danced 31. He said that he _________ his homework since 7 oclock. A. had done B. did C. has done D. was doing 32. How long __________ able to drive? - Since 1990. A. could you B. have you been C. were you D. are you 33. She won't get married until she __________ 25 years old. A. is B. will be C. had been D. was. 34. This building used to be a library,_________? A. doesn't it B. didnt it C. isnt it D. wasnt it 35. Nobody was injured in the accident, ________? A. was there B. was he C. were they D. wasn't it 36. Let's go out for a walk, ______? A. not us B. don't we C. do we D. shall we 37. Jane and I________ school in 1987. A. finish B. have finished C. finishes D. finished 38. John and Ann . married last Saturday. A. get B. got C. is getting D. have got 39. His brother.high school 6 years ago A. finish B. finished C. finishes D. has finished 40. We have been living here...1990 A. for B. from C. since D. during 41. Pasteur _____ in the 19th century. A. was living B. lived C. had lived D. has lived 42. .Now my sister _____ a bicycle of her own. A. is having B. are having C. has D. had 43 .Dont bother me while I .. A. am working B. was working C. will work D. will have completed 44 .How ................since we ................school? A. are you / left B. will you be / had left C. have you been / left D. had you been/ had left 45. When he came.......................... A. I was watching TV B. I watched TV C. I am watching TV D. I have watched TV 46. The piano _____ at the moment. A. repairs B. repaired C. is repaired D. is being repaired 47. I saw Jack yesterday morning while I ________ home from work. A. walked B. was walking C. am walking D. had been walking