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科目： 來(lái)源：不詳 題型：單選題

A hot balloon blew up in Egypt. There ________ something wrong with the quality of it.
A．may have beenB．must be
C．need have beenD．might be

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科目： 來(lái)源：不詳 題型：單選題

—David is often absent from class.
—Tell him he ________ answer for it if he goes on behaving like that.
A．shallB．might
C．wouldD．can

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科目： 來(lái)源：不詳 題型：單選題

Time ________ heal a broken heart. After five years, Steve seems to have got over the sorrow of losing his son.
A．shouldB．would
C．shallD．can

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科目： 來(lái)源：不詳 題型：單選題

For those of you who ________ a few very popular articles that came out last week, check out this mail.
A．may missB．must have missed
C．may have missedD．would have missed

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科目： 來(lái)源：不詳 題型：單選題

—Can you keep a secret?
—You ________ worry—I'm not going to mention it to anyone.
A．needn'tB．couldn't
C．mustn'tD．won't

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科目： 來(lái)源：不詳 題型：單選題

We ________ here on time but we were caught in a traffic jam.
A．must have arrivedB．could have arrived
C．need have arrivedD．should have arrived

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科目： 來(lái)源：不詳 題型：單選題

If you want somebody to go window shopping with you, why not try calling Marie? —she ________ be home by now.
A．shallB．should
C．willD．would

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科目： 來(lái)源：不詳 題型：單選題

—Show me your permit, please.
—Oh, it's not in my pocket. It ________.
A．must have fallen outB．might fall out
C．could fall outD．should have fallen out

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科目： 來(lái)源：不詳 題型：單選題

Martin hasn't got in touch with me for ages. He ________ my new cell phone number.
A．can't getB．mustn't get
C．can't have gotD．shouldn't have got

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科目： 來(lái)源：不詳 題型：單選題

—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?
—________ my students have a try?
A．MayB．Must
C．WillD．Shall

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