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科目： 來源：不詳 題型：單選題

Even students of average intelligence ________ become top students by improving their study habits.
A．mustB．can
C．have toD．ought to

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科目： 來源：不詳 題型：單選題

—Look，I’ve bought some bread，including your favorite flavor.
—You ________ any because we still have plenty at home.
A．should have bought
B．could have bought
C．needn’t have bought
D．mustn’t have bought

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科目： 來源：不詳 題型：單選題

It is beyond my understanding that many adults ________ be so crazy about Harry Potter series.
A．willB．can
C．mayD．should

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科目： 來源：不詳 題型：單選題

These days some young people just ________ work hard because they have got used to the easy life provided by their parents.
A．mustn’tB．won’t
C．mightn’tD．shouldn’t

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科目： 來源：不詳 題型：單選題

—I regret to say that I failed to rank first in the terminal exam.
—Come on，nobody ________ win all the time.
A．shouldB．must
C．shallD．can

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科目： 來源：不詳 題型：單選題

—May I take this book out of the reading room?
—No，you ________.You read it in here.
A．mightn’tB．won’t
C．needn’tD．mustn’t

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科目： 來源：不詳 題型：單選題

Sorry，Cathy，I didn’t know that you were badly short of money then.But you ________ me for help.
A．must have asked
B．could have asked
C．would have asked
D．may have asked

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科目： 來源：不詳 題型：單選題

—I called you at 9 last night，but no one answered.
—Sorry，I ________ sleeping.I went to bed very early.
A．need have beenB．would have been
C．must have beenD．should have been

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科目： 來源：不詳 題型：單選題

I’m as busy as a bee；________ you bother me with so many questions now?
A．mayB．must
C．canD．shall

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科目： 來源：不詳 題型：單選題

It is important to know about the cultural differences that ________ cause problems.
A．mustB．dare
C．mayD．shall

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