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科目: 来源:不详 题型:单选题


30.They ______ be at home. You see, the door is locked from the outside.
A.can’tB.mayC. mustD. mustn’t

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科目: 来源:不详 题型:单选题

You_____make such mistakes again.
A.should neverB.should not always
C.would always notD.would not forever

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科目: 来源:不详 题型:单选题

To appreciate that it's not easy for you, but you ______ try to get here on time.
A.mayB.mustC.willD.can

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科目: 来源:不详 题型:单选题

If you had worked hard, you ______ so anxious now.
A.are notB.would not have beenC.will not beD.would not be

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科目: 来源:不详 题型:单选题


8.Although this_______ sound like a simple task, great care is needed.
A.mustB.mayC.shallD.Should

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科目: 来源:不详 题型:单选题


15.---Tom is never late for work. Why is he absent today?
---Something ________ to him.
A.must happen B.should have happened
C.could have happened D.must have happened

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科目: 来源:不详 题型:单选题

--- What is the matter with the pen?
--- The ink _______come out.
A.isn’tB.didn’tC.don’tD.won’t

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科目: 来源:不详 题型:单选题

--- _______ he come in or wait outside?
--- Let him in, please.
A.ShallB.WillC.DoesD.Has

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科目: 来源:不详 题型:单选题

Sorry I’m late. I ______ have turned off the alarm clock and gone back to sleep again.
A.mightB.shouldC.canD.will

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科目: 来源:不详 题型:单选题

If you had finished your homework yesterday, you _____ home now.
A.will goB.would goC.would have goneD.go

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