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科目: 来源:不详 题型:单选题

----- Mary looks very upset. She _______ failed to pass the exam.
----- I guess so. It's very difficult after all.
A  must have   B could have   C should have  D might have

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科目: 来源:不详 题型:单选题

He _____ be really difficult at times even though he ,generally speaking, is a nice person.
A.canB.shouldC.shallD.must

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科目: 来源:不详 题型:单选题

My brother is honest. He _____ such a thing.
A.might not doB.can’t have doneC.can doD.mustn’t have done

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科目: 来源:不详 题型:单选题

-----Who ______ it be that hasn’t handed it in yesterday?
------It _______ be Bob. He handed it in yesterday.
A.can; mustn’tB.must; canC.can; can’tD.may; mustn’t

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科目: 来源:不详 题型:单选题

The boy        be very naughty, but he is very lovely.
A.mightB.canC.mayD.need

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科目: 来源:不详 题型:单选题

—I’m sorry. I ________ at you the other day.
— Forget it. I was a bit out of control myself.
A.shouldn’t shoutB.shouldn’t have shouted
C.mustn’t shoutD.mustn’t haven’t shouted

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科目: 来源:不详 题型:单选题

Mary ______ my letter; otherwise she would have replied before now.
A.has received
B.ought to have received
C.couldn’t have received
D.shouldn’t have received

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科目: 来源:不详 题型:单选题

—Thank you very much for giving me a hand when I was in trouble.
—Don’t mention it. I only did what anyone else    in my place.
A.must doB.might doC.would have done D.can have done

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科目: 来源:不详 题型:单选题

—Why can your neighbor know so much about London?
—He ____ have been there before.
A.mustB.canC.shouldD.need

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科目: 来源:不详 题型:单选题

There ____ a temple on the side of the mountain, didn't there?
A.would beB.would haveC.used to haveD.used to be

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