52.[2000上海] If only he ________ quietly as the doctor instructed, he would not suffer so much now.

45.[1996上海] Yesterday, Jane walked away from the discussion. Otherwise, she________ something she would regret later

A. had said　　　　　　　　　　    B. said　　　　　　 

C. might say　　　　　　　　　　    D. might have said

43.[1995上海] ________ for the free tickets, I would not have gone to the films so often.

A. If it is not　　　　　　　　　　    B. Were it not   

C. Had it not been　　　　　　　　　　    D. If they were not

40.[1994上海] ________ it rain tomorrow, we would have to put off the visit to the Yangpu Bridge.

39.[1994上海] Jane's pale face suggested that she ______ ill, and her parents suggested that she ________ a medical examination.

35.[2001全国] I was really anxious about you. You ________ home without a word.

28.[1996全国] You didn't let me drive. If we ________ in turn, you ________ so tired.

23.[1994全国] I didn't see your sister at the meeting. If she ______, she would have met my brother.

20.[1993全国]—If he ________ , he ________ that food.

—Luckily he was sent to the hospital immediately.

A. was warned; would not take

B. had been warned; would not have taken

C. would be warned; had not taken　　　　　　   

D. would have been warned; had not taken

16.[1992全国]—Shall we go skating or stay at home?

—Which ________ do yourself?