50. --What did the teacher ask just now?

--He asked us _________.

A. if did we go over our test paper.

B. whether do we come to school by bike

C. what we were doing at that time yesterday.

D. when we will have a football game

49. --Who bought you the computer?

--My grandfather did. I _________ it for three years and I want to buy a new one.

A. have had　　 　　　　　 B. have bought　　 　　 C. have borrowed　　 D. have received

48. The sentence "Food or drink shouldn't be taken into the concert hall.” means_________.

A. People can take food and drink into the concert hall.

B. People can have either food or drink in the concert hall.

C. People are not allowed to take food or drink into the concert hall.

D. No people are allowed to have food or drink out of the concert hall.

47. The city _________ we live in is much more developed than it used to be.

A. who　　　　　 　　　　　　　 B. whom　　　　　 　 C. which　　　　　 　 D. where

46. The woman writer _________ to give the readers a surprising end and one of the main characters was to die.

A. made a contribution　　　　　 　　　　　　　　　 B. made a decision

C. made a mistake　　　　　 　　　　　　　　　　　 D. made a progress