* Tờ cuối(Tờ 3)
25. has worked
26. were playing
27. see
28. did you do
29. is
30. didn't buy
31. are playing
32. will go
33. to tell
34. to eat
35. am studying

* Tờ cuối (T3)
36. boils
37. is climbing
38. haven't seen
39. have you known
40. were you doing
41. won't rain/ start
42. has played/ was
43. left/ haven't heard
44. won
45. were playing/ was writing

EX6:
1. since -> for
2. saw -> seen
3. was -> has been
4. continued -> have continued
5. didn't try -> haven't tried
6. has been -> was
7. enjoyed -> have enjoyed
8. played-- > has played
9. knew -> have known
10. performed -> have performed

EX6:
11. had -> were having
12. was started -> started
13. has met -> met
14. didn't see -> haven't seen
15. participated -> have participated
16. speak -> have spoken
17. has moved -> moved 
18. played -> has played
19. didn't see -> haven't seen
20. have finished -> finished

* Tờ 1:
37. We've been looking for a flat for 2 months.
38. I haven't been to a night club
39. this is the first time they have ever heard such a thing
40. It has rained since 2 o'clock
41. This is the first time I have seen a dirtier-looking dog
42. Alan hasn't visited his parents for ages
43. It is over six months since John had his hair cut
44. The last time I played football was in 2000
45. The last time I went to HCM city was 2 years ago.
46. It's the first time I have met such a famous person

47. it's the first time she has seen that boy here
48. The last time she wrote to us was last year
49. It's 8 years since she learned English
50. It's ages since he laughed so much
51. It's ages since he laughed so much
52. It's hours since the telephone rang
53. It's ages since I saw him
54. We started learning English four years ago
* Xong nha