The airplane _____late, for we didn’t see the famous pop singer until 10 pm.A．m

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The airplane _____late, for we didn’t see the famous pop singer until 10 pm.

A．must be

B．will be

C．would have been

D．must have been

答案

解析

考查虚拟语气。句意：飞机肯定是晚点了，因为我们直到下午十点钟也没有看见这位著名的歌手。“must+have+done”表示对过去事情的肯定推测，译成“一定做过某事”，故选D。

举一反三

She sufferred a mental disease for quite some time and in the end she _____ go into a mental hospital.

A．had to

B．must

C．would like to

D．could

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— Hi, Mary. Any idea where Bill is?
— He ______ in the library. I saw him reading books there just now.

A．shall be

B．should have been

C．must be

D．might have been

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--- Is John doing his homework now?
--- He shoul

d, but he _______ not. He likes playing computer games.

A．must

B．could

C．need

D．may

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She ______ your birthday. But she had to put work first.

A．wouldn’t forget	B．shouldn’t forget
C．mustn’t have forgotten	D．couldn’t have forgotten

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The little girl _____ go out at night and often imagined _____ a monster following her

A．dared not；there being	B．dare not；there being
C．did not dare；there to be	D．didn’t dare to；there be

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