2. I didn’t see your sister at the meeting. If she _____, she would have met my brother.

　A. has come　　　　　　　 B. did come 　　　　 C. came　　　　　 D. had come

1. You didn’t let me drive. If we _____ in turn, you _____ so tired.

　 A. drove; didn’t get　　　　　　　　　　　　 B. drove; wouldn’t get

C. were driving; wouldn’t get 　　　　 D. had driven; wouldn’t have got

45. It is beneficial to get up early to exercise.

44. I never have seen as high a building as this one.

43. My father congratulated me on passing the exam.

42. This latter point is of great importance.

41. He tried to adapt himself to the new environment.

45.早起锻炼是有益的。

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Keys:

1-5 DBACC　　 6-10 DCABC

11-15 BDABD　 16-20 DBABC

21-25 CDCDB　 26-30 AACBA

31-35 DCADB　 36-40 AACBA

44．我从来没有见过像这栋一样高的楼。

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43.我父亲祝贺我通过了考试。

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