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

A. come

B. came

C. coming

D. comes

48. 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

47. They were interested __________ you told them.

A. in which

B. in that

C. all that

D. in everything

46. I have many books, some of __________ are on chemistry.

A. them

B. that

C. which

D. those

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

A. which

B. that

C. where

D. in that

44. There is only one thing __________ I can do.

A. what

B. that

C. all

D. which

43. Do you know which hotel __________?

A. she is staying

B. she is staying in

C. is she staying

D. is she staying in

42. The dinner was the most expensive meal we __________.

A. would have

B. have had

C. had never had

D. had ever had

41. 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

40. 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