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约2620字。
　　2010届高三英语复习题：unit 10 The trick
　　一、情态动词专练
　　1. －Someone is knocking at the door.
　　－Who _______ it be?
　　A. may B. must C. will D. can 答案：D
　　2. －Look, it ______ be Tom.
　　－No, it _______ be him. He has gone to Beijing.
　　A. may; mustn’t B. must; may
　　ust; can t 　D. ay not 答案：C
　　3. Don’t be worried. The news _______ be true.
　　A. may not　　B. mustn’t 　　C. needn’t　　D. won’t
　　答案：A
　　4. “It’s possible that Mr. Wu is working now.”
　　The senteneans ______.
　　A. Mr. Wu must be working now
　　B. Mr. Wu can t be working now
　　r. Wu should work now
　　D. Mr. Wu may be working now　　答案：D
　　5. Your mother must be at home. ______ she?
　　A. mustn’t B. doesn’t C. isn’t D. can’t
　　答案：C
　　6.－_______ I watch TV this evening?
　　－Yes, but you ______ finish your homework first.
　　A. Must; can　　B. May, must　　C. Can, need 　　D. May, may
　　答案：B
　　7. －_______ I sleep here?
　　－No, you _______.
　　A. May; needn’t B. May; mustn’t
　　ust, may not D. Must, can’t
　　答案：B
　　8.—Must I turn off the light right now?
　　－No, you ______.
　　A. needn’t　　B. mustn’t 　　C. can’t　　D. won’t
　　答案：A
　　9. You _______ so early.