Look! There’s no light on—Sara _____be at home.A．can’tB．mustn’tC．needn’tD．shoul
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Look! There’s no light on—Sara _____be at home.| A．can’t | B．mustn’t | C．needn’t | D．shouldn’t |
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答案
| A |
解析
| 考查情态动词表示推测的用法：A. can’t不可能，B. mustn’t 表示推测只能用肯定，C. needn’t不必，D. shouldn’t不该，句意是;看，灯不亮了。--Sara一定不在家。选A。 |
举一反三
——I can’t find my MP4 player.
—— You _______it on the desk. I saw a red one on it.| A．might have put | B．can put | C．need have put | D．must put |
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If Becky hadn’t missed the bus, she ______late for the lecture.| A．would have been | B．wouldn’t have been | | C．had been | D．wasn’t |
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Why are you doing that? If I ____you, I’d stop.| A．had been | B．hadn’t been | C．were | D．were not |
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If we work hard with a strong will, we _____ overcome any difficulty, however great it is．| A．must | B．need | C．should | D．can |
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--Listen! Someone is singing in the next room．Who it be? Is it Wei Fang?
--No．It be her．She is at school now．| A．can; may not | B．must; mustn’t | | C．can; can’t | D．may; won’t |
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