41. It was _______ who helped Tom out when he was in trouble. kaixin100.cn

　　A. I B. me C. us D. ours

　　42. The leaves of many trees turn ______ in autumn.

Kaixin100内容管理系统

　　A. to red D. red C. to be red D. into red

　　43.—Will you go to the museum tomorrow? Kaixin100网络，Kaixin100

　　—Yes, I will go _______ it’s windy.

kaixin100.cn

　　A. since B. as though C. if D. even though

　　44. Mary used to stay up until far into the night, ______?

kaixin100.cn

　　A. didn’t she B. usedn’t she C. does she D. Both A& B. copyright kaixin100

　　45. It is very kind ______ you to supply us _______ so much information. 内容来自kaixin100

　　A. for…with B. for…in C. of…with D. of…in Kaixin100内容管理系统

　　46. Five minutes earlier, _______ we could have caught the last train.

　　A. of B. but C. and D. so Kaixin100内容管理系统

　　47. Many a boy and many a girl _______ it since then.

kaixin100.cn

　　A. have seen B. has seen C. has been seeing D. had seen

Kaixin100网络，Kaixin100

　　48. I regretted _______ the days when I _______ hard at school. copyright kaixin100

　　A. wasting…must have worked B. having wasted…should have worked

　　C. to waste…could work D. to have wasted…would work kaixin100.cn

　　49. He’s sure you’ll pass the examination, _______?

　　A. isn’t he B. do you C. won’t you D. hasn’t he copyright kaixin100

　　50. With ______, the man had to go out of his hiding place.

内容来自kaixin100

　　A. his food ran out B. his food running out 内容来自kaixin100

　　C. him running out D. his food run out

kaixin100.cn