=>
IV/
25. I wish An were here.
26. They told me that their teacher was sick.
27. Our project must be finished on time.
28. She hasn't worn this plaid for two weeks.
29. I wish I could play the piano.
30. She wishes she knew a lot of students in her class.
31. A new style of clothes has just been introduced in Viet Nam.
32. The zoo is going to be visited by his mother on Sunday.

V/
33. getting
34. were
35. haven't seen
36. isn't taking
37. caught
38. has already taken
VI/
39. Mary spends about two hours a day watching television.
40. She enjoys watching sports programs and listening to music.
41. Many people go to the countryside to have a rest on weekends.
42. Ba wishes he could have a new bicycle.
VII/
43. impressed
44. national
45. different
46. divided

VII/
47. is -> was
48. is she -> she was
49. can -> could
50. must -> had to

@Holliwood#:

E.x IV
Câu 25. I wish An were here.
Câu 26. They told me that their teacher was sick.
Câu 27. Our project must be finished on time.
Câu 28. She hasn't worn this plaid for two weeks.
Câu 29. I wish I could play the piano.
Câu 30. She wishes she knew a lot of students in her class.
Câu 31. A new style of clothes has just been introduced in Viet Nam.
Câu 32. The zoo is going to be visited by his mother on Sunday.

E.x V
Câu 33. getting
Câu 34. were
Câu 35. haven't seen
Câu 36. isn't taking
Câu 37. caught
Câu 38. has already taken
E.x VI
Câu 39. Mary spends about two hours a day watching television.
Câu 40. She enjoys watching sports programs and listening to music.
Câu 41. Many people go to the countryside to have a rest at weekends.
Câu 42. Ba wishes he could have a new bicycle.
E.x VII
Câu 43. impressed
Câu 44. national
Câu 45. different
Câu 46. divided

E.x VII
Câu 47. is → was
Câu 48. is she → she was
Câu 49. can → could
Câu 50. must → had to

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