I

1 He said that they were doing an experiment

2 Sally finally succeeded in getting the job

3 Because of the dangerous acid rain, trees; leaves are damaged

4 She asked John to repeat what he had said

II

1 D

2 A

3 D

4 A

5 A

6 C

7 B

8 B

9 A

10 B

III

1 VietNam films arent often watched by Minh

2 English was spoken by my sister when she was 6

3 Rescue workers are being sent to the flooded village

4 His car was being repaired at this time yesterday

5 Their house has been repaired since last Sunday

6 Three cats had been rescued by the volunteers

7 The paintings will be exhibited by the organizer next month