1 . He must __________ (pass) the exam, because he was so happy the whole day. (所给词的适当形式填空)

2 . I’m not feeling well in the stomach. I shouldn’t ________ (eat) so much fried chicken just now. (所给词的适当形式填空)

3 . The spokesman did not regret what he had said at the conference but felt that he could ________ (express) it indirectly. (所给词的适当形式填空)

4 . Your cousin ________ have enjoyed his trip in Jixian County, didn’t he? He looks amazingly different. (用适当的词填空)

5 . He ________ have finished writing the paper. He hadn’t written a single word when I left him fifty minutes ago. (用适当的词填空)

6 . —I honestly don’t think I’m going to be admitted.
—Well, you never know! You ________ have made a better impression than you think. (用适当的词填空)

7 . She ________ (participate) in the activity, for she was doing paperwork in the office then. （用适当的词填空）

8 . There was plenty of time. She ________ have hurried. (用适当的词填空)

9 . You ________ have seen Mary at the meeting this morning, because she left for Beijing yesterday. (用适当的词填空)

10 . The ship would _____ (sink) with all on board but for the captain.(所给词的适当形式填空)