13.. As you worked late yesterday, you______ have come this morning. (06’陕西卷)

A. mayn’t B. can’t C. mustn’t　 D. needn’t

答案：1-6 ADBABC 7-13ADBCC; AD

12.Some aspects of a pilot’s job_______ be boring, and pilots often _______ work at inconvenient hours.(06’湖南卷)

A.　　 can; have to B. may; can C. have to; may D. ought to; must

11..The weather turned out to be fine yesterday. I _______ the trouble to carry my umbrella with me.(06’江西卷)

A. should have taken B. could have taken

C .needn’t have taken D. mustn’t have taken

10.If it were not for the fact that she _______ sing, I would invite her to the party.(06’福建卷)

A.　　 couldn’t B. shouldn’t C. can’t D. might not

9.----- Could I have a word with you, mum?(06’浙江卷)

　------ Oh, dear, if you ______.

A.　　 can B. must C. may D. should

8.------ I think I’ll give Bob a ring.(06’江苏卷)

　 ------ You_______ .You haven’t been in touch with him for ages.

A.　　 will B may C. have to D. should