28. The great day we looked forward to __________ at last.

A. come

B. came

C. coming

D. comes

27. The astronaut did many experiments in the spaceship, __________ much help for knowing space.

A. which we think it is

B. which we think are of

C. of which we think is

D. I think which is of

26. Who can think of a situation __________ this idiom can be used?

A. which　　　　　 B. that　　　　　 C. where　　　　 D. in that

25. Do you know which hotel __________?

A. she is staying　　　 B. she is staying in　　　 C. is she staying　　　 D. is she staying in

24. The two things __________ they felt very proud are Jim’s gold watch and Della’s hair.

A. about which　　　　 B. of which　　　　　 C. in which　　　　　 D. for which

23. I don’t like __________ you speak to her.

A. the way

B. the way in that

C. the way which

D. the way of which

22. I, __________ your good friend, will try my best to help you out.

A. who is　　　　　 B. who am　　　　　 C. that is　　　　　 D. what is

21. He has two sons, __________ work as chemists.

A. two of whom

B. both of whom

C. both of which

D. all of whom

20. He must be from Africa, __________ can be seen from his skin.

A. that　　　　　 B. as　　　　　 C. who　　　　　　 D. what

19. Is it in that factory __________ “Red Flag” cars are produced?

A. in which　　　　　　 B. where　　　　 C. which　　　　　　 D. that