A. wouldn’t
B. can’t
C. mustn’t
D. needn’t (B)2009高考英语重点词法击破:must
1.表推测,仅用于肯定句中,语气最为肯定;对过去的推测用must have done;mustn’t表禁止,不用于表推测。如:
Tom, you mustn’t leave all your clothes on the floor like this!
He must have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
2.表必须,语气强于should, 侧重于说话人的主观意志,译作“一定,务必”,用于肯定句中或否定句中。如:
Children under 12 years of age in that country must be under adult supervision when in a public library.
3.表固执,译作“非要”,所发生之事往往不受欢迎或不需要。如:
John, look at the time. Must you play the piano at such a late hour?
【考例1】In crowded places like airports and railway stations, you ______ take care of your luggage.(07北京卷,26)
A. can
B. may
C. must
D. will
(C)
【考例2】-------Guess what! I have got A for my term paper.
--------Great! You _______ read a lot of work into it.(07上海卷,29)
A. must
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