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科目： 來(lái)源：不詳 題型：單選題


It’s nearly 7 o’clock. Helen _______ come, but let’s wait for her for another 5 to 7 minutes.
A．couldn’tB．can’tC．mustn’tD．may not

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科目： 來(lái)源：不詳 題型：單選題


一I still cannot figure out why he missed his flight．
一He       an accident on the way to the airport．
A．could have hadB．should have had
C．would haye hadD．must have had

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科目： 來(lái)源：不詳 題型：單選題

----- __________it be Li Ping who broke the glass?
---- No. It __________ be Wu Dong who did it.
A．Could; mayB．Can; mustC．May; mustD．Can; can

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科目： 來(lái)源：不詳 題型：單選題

The airplane _____late, for we didn’t see the famous pop singer until 10 pm.
A．must beB．will beC．would have beenD．must have been

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科目： 來(lái)源：不詳 題型：單選題

She sufferred a mental disease for quite some time and in the end she _____ go into a mental hospital.
A．had toB．mustC．would like to D．could

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科目： 來(lái)源：不詳 題型：單選題

— 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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科目： 來(lái)源：不詳 題型：單選題


--- Is John doing his homework now?
--- He should, but he _______ not. He likes playing computer games.
A．mustB．couldC．needD．may

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科目： 來(lái)源：不詳 題型：單選題

She ______ your birthday. But she had to put work first.
A．wouldn’t forgetB．shouldn’t forget
C．mustn’t have forgottenD．couldn’t have forgotten

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科目： 來(lái)源：不詳 題型：單選題


The little girl _____ go out at night and often imagined _____ a monster following her
A．dared not；there beingB．dare not；there being
C．did not dare；there to beD．didn’t dare to；there be

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科目： 來(lái)源：不詳 題型：單選題

The recommendation he gave me is that I ____ more traveling to open my eyes.
A．will doB．could do C．should do D．must do

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