．—Margaret ______ stay at home all day long in front of the TV.—That’ s right．Sh
题型：不详难度：来源：
．—Margaret ______ stay at home all day long in front of the TV.
—That’ s right．She ought to go to the fitness center with us.| A．couldn’t | B．mustn’t | C．needn’t | D．shouldn’t |
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答案
| D |
解析
| 考查情态动词。couldn’t 不可能，mustn’t 禁止，needn’t 没有必要，shouldn’t 不应该，句意：Margaret不应该整天呆在家看电视。是的，她应该和我们去健康中心。所以选D。 |
举一反三
Only when ____hard____make your dream come true. | A．do you work, you can | B．you work ,you can | | C．do you work , can you | D．you work, canyou |
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I don’t really want to make the appointment, I suppose I ____.| A．should | B．must | C．will | D．need |
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He failed in finding the job. I think that he _____to get some
more qualifications before applying for the job.| A．should have tried | B．must have tried | | C．might have tried | D．needn’t have tried |
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The public transport system in Beijing is very good now, so there _____be any difficulty in traveling around the city.| A．couldn’t | B．mustn’t | C．needn’t | D．shouldn’t |
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Without the air to hold some of the sun’s heat, the earth at night_____very cold, too cold for us to live. | A．will be | B．would have been | C．is | D．would be |
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