6.　　　　 没人知道将来会发生什么事.

5.　　　　 他坚决劝我不要那样做.

4.　　　　 医生建议我多做运动。

3.　　　　 我早就知道你胆小怕事.

2.　　　　 这些樱桃还太生,不能摘.

1.　　　　 没有成熟的水果不好吃.

100.--When can I come for the photos? I need them tomorrow afternoon.

　　　 --They ______ be ready by 12: 00.

　　　 A. can　　　　　 B. should　　　　　 C. might　　　　 D. need

99. I told Sally how to get there, but perhaps I ____ for her.

　　　 A. had to write it out　　　　　　　 B. must have written it out

　　　 C. should have written it out　　　　 D. ought to write it out

98. It's nearly seven o’clock. Jack ______ be here at any moment.

　　　 A. must　　　　　 B. need　　　　　　 C. should　　　　 D. can

97. We _____ last night, but we went to the concert instead.

　　　 A. must have studied　　　　　　　　 B. might study

　　　 C. should have studied　　　　　　　 D. would study