II.

20.A

21.C

22.D

23.B

III.

24.B: take care to ->take care of

25.C: advises ->had advised

IV.

26.B

27.D

28.B

V.

1.They are the last people . I met them at the accident yesterday

2.This is the noval written by an America writer

3.This is the only stores destroyed in the fire have now been rebuilt 

4.Jonathan who has ten companies was a popular businessman

5.That is the picture at which my friend look all time

6.The girl who is now taking to the hospital was injured in the accident

20, A

21, C

22, D

23, B

24, B-> take care of ( trông coi, chăm sóc)

25, C-> had advised( Câu ĐK loại 3: If+S+Had P.P, S + would/could/should+have+P.P)
26, B

27, D

28, B

C1: I met the last people at the accident yesterday.

C2: This novel was written by an American writer.

C3:  The only destroyed stores in the fire have now been built.
C4: Jonathan was a popular businessman who has ten companies.

C5: That is the picture which my friend looks at all times.

C6: The girl is now being taken to the hospital was injured in the accident.
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Chúc bạn học tốt :3 Mình xin CTLHN+TIM Ạ!!!!