1. I saw many houses destroyed by the storm.

2. The street leading to the school is very wide.

3. The system used here is very successful.

4. Trains leaving from this station take an hour to get to London.

This house will be bought (by me).

It will not be brought by Sam this morning.

1. The street which leads to my school is very wide.

2. Can you understand the question which he asked you last time?

3. Is that the girl whom we saw on TV last night?

4. The farm which we visited last Sunday produces milk.

5. At last he married the girl whom he loved.

6. The man whose daughter we play with everyday is an engineer.

7. He didn' t receive the letter which I sent him last January.

8. He often tells me something about his village where he was born.

9. The man whom I reported to the police was arrested.

10. The teacher whom Ngan asked about her problem was right.

11. The writter whom my brother dated was very pretty.

12. The secretary whom Mr. Dung likes is in the office.

13. We ate the food which I bought.

21. A

22. A

23. C

24. C

25. C

26. A

27. D

28. C

29. B

30. C

10. B

11. C

12. B

13. D

14. D

15. B

16. A

17. C

18. B

19. A

20. B

1. d. whom

2. C

3. C

4. C

5. B

6. D

7. D

8. A

9. D

12. which

13. who

14. which

15. which

16. who

17. which

18. whom

19. whose

20. which

21. who

22. who