54. ―What is that building?

　 ― ________ the students have their dancing classes.

A. The building that　　　　　　 B. There

C. That's the building which　　　　 D. That's where

53. I'm wondering _______ he expects will win the gold medal in the men's Single.

A. who　　　　 　　　　　　　　　　　　　　　 B. whom

C. which 　　　　　　　　　　　　　　　　　 D what

52. Although ________ happened in that developed country sounds like science fiction, it could occur elsewhere in the world.

A. this　　　　 　　　　　　　　　　　　　　　　 B. what

C. how　　　 　　　　　　　　　　　　　　　　 D. it

51. ―Where would you like to go?

　　 ―I don't mind _____ I go; I will go _____ you want to go.

　　　 A. where; the place　　　　　　 　　　　　 B. where; wherever

C. the place; wherever　　　　　 　　　　　　　 D. wherever; no matter where

50. ________ they were in truth sisters was clear from the facial resemblance between them.

　 　　 A. What　　　 　　　　　　　　　　　　　　　 B. That

C. How　　　 　　　　　　　　　　　　　　　 D. Whether

49. His ability has never been in doubt ― the question is ______ he is prepared to work hard.

A. whether　　　 　　　　　　　　　　　　　　　　　 B. if

C. that　　　 　　　　　　　　　　　　　　　　 D. where

48. All I want to say is _______ we need more time.

A. this　　　　 　　　　　　　　　　　　　　　 B. it

C. that　　　 　　　　　　　　　　　　　　　　 D. which

47. She knew nothing about his journey _______ he is likely to be away for three months.

A. except　　　 　　　　　　　　　　　　　　 B. except for

C. except mm　 　　　　　　　　　　　　　　　　 D. in addition

46. Having traveled eight hours on end, we finally reached ______ is now a big city.

A. which　　　 　　　　　　　　　　　　　　 B. what

C. where　　　 　　　　　　　　　　　　　　　 D. it

45. We believe ________ you have been devoted to _______ naturally of great necessity.

A. that; being　　 　　　　　　　　　　　　　　　　 B. all that; be

C. that all; are　 　　　　　　　　　　　　　　　　 D. what; is