49. I still remember the sitting-room _______ my mother and I used to sit in the evening.

A. what　　　 　　　　　　　　　 B. which

C. that　　　　 　　　　　　　　　 D. when

48. Is this museum ________ they visited last month?

A. that　　　 　　　　　　　 　　 B. which

C. where　　　 　　　　　　　　　 D. the one

47. Is this the shop _________ sells children’s clothing?

A. which　　　 　　　　　　　　　 B. where

C. in which　　 　　　　　　　　　 D. what

46. October 1, 1949 was the day ________ the People’s Republic of China was founded.

A. which　　　 　　　　　　　　　 B. when

C. where　　　 　　　　　　　　　 D. in which

45. I think you have got to the point ________ change is needed, or you would fail

　　 A. when　 　　　　　　　　　　　 B. that

C. where　　　 　　　　　　　　　 D. which

44. This is the bag ________ my mother bought yesterday.

A. that　 　　　　　　　　　　　　 B. who

C. whom　　　 　　　　　　　　　 D. this

43. He made another wonderful discovery, _____ of great importance to science.

A. which I think is　　　　　　 　　　　 B. which I think it is

C. which I think it　　　　　　 　　　　 D. I think which is

42. Luckily, we'd brought a mad map without _______ we would have lost our way.

A. it　　　　 　　　　　　　　　　 B. that

C. this　　　　 　　　　　　　　　 D. which

41. The boss ______ department Ms. King worked in ten years ago looked down upon women.

A. in which　　 　　　　　　　　　 B. in that

C. whose　　　 　　　　　　　　　 D. which

40. He bought a book that could glee him much knowledge and ______ could help him to kill the time.

A. that　　　 　　　　　　　　　 B. where

C. which　　　 　　　　　　　　　 D. there