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科目： 來(lái)源：不詳 題型：單選題

Mr. Bush is on time for everything. How ____ it be that he was late for the important meeting?
A．canB．shouldC．mayD．must

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科目： 來(lái)源：不詳 題型：單選題

---I haven’t got the reference book yet, but I’ll have a test on the subject next month.
---Don’t worry. You ______ have it by Tuesday.
A．couldB．shallC．mustD．may

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科目： 來(lái)源：不詳 題型：單選題

— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice.
— Oh, it ____ my younger sister. She was in my room at that moment.
A．must have beenB．should have beenC．could have beenD．may have been

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科目： 來(lái)源：不詳 題型：單選題

—I wonder why Susan looks worried today.
—I’m not sure, but she _____a small accident driving here.
A．could haveB．might haveC．might have hadD．must have had

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科目： 來(lái)源：不詳 題型：單選題

It’s funny that Howard___ speak to you like your boss.
A．might B．would C．should D．must

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科目： 來(lái)源：不詳 題型：單選題

According to our school rules, students ________ not carry mobile phones when taking a exam.
A．willB．mayC．shallD．need

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科目： 來(lái)源：不詳 題型：單選題

—Could I surf the Internet for twenty more minutes, Mum?
—Oh, dear, if you________.
A．mustB．canC．mayD．should

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科目： 來(lái)源：不詳 題型：單選題

Just imagine performing such an opera as Turandot in the Forbidden City---there _____ be a better setting!
A．mustn’tB．shouldn’t C．couldn’t D．needn’t

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科目： 來(lái)源：不詳 題型：單選題

. - The speaker is a tall man with glasses.
- Then it_____ be Mr. Smith, who is short and thin.
A．wouldn'tB．won'tC．mustn'tD．can't

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科目： 來(lái)源：不詳 題型：單選題

As it turned out to be a problem of no importance , we     so much time looking into it .
A．needn’t spendB．didn’t have to spend
C．needn’t have spentD．oughtn’t to spend

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