15. We employed the pianist whom Hai introduced.

16. The cake which I made last night is on the table.

17. The book which An found under the chair belongs to alan.

18. The food which Huy cooked was delicious.

19. The bike which my parents gave me was stolen.

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

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

22. The girl whose brother studies with me is very pretty.

23. The secretary whose house is next to mine is in the office.

24. I'll introduce you to the man whose support is necessary for your project.

25. You didn't tell us the reason why we have to cut down our daily expenses.

26. The car whose engine is very good belongs to Dr Clark.

27. He was born on the day when his father was away.

28. The book which we can look up telephone numbers in is a telephone directory.

29. The airport where we're going to arrive is the most modern one.

30. She doesn't want to speak of the reason why she divorced her husband.

15. We employed the pianist whom Hai introduced.

16. The cake which I made last night is on the table.

17. The book which An found under the chair belongs to alan.

18. The food which Huy cooked was delicious.

19. The bike which my parents gave me was stolen.

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

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

22. The girl whose brother studies with me is very pretty.

23. The secretary whose house is next to mine is in the office.

24. I'll introduce you to the man whose support is necessary for your project.

25. You didn't tell us the reason why we have to cut down our daily expenses.

26. The car whose engine is very good belongs to Dr Clark.

27. He was born on the day when his father was away.

28. The book which we can look up telephone numbers in is a telephone directory.

29. The airport where we're going to arrive is the most modern one.

30. She doesn't want to speak of the reason why she divorced her husband.