题目内容

．—Steve           come back because the window is open．
—Yes．but he _______left it open last night．
A．must have；might haveB．might have；can’t have
C．can have；should have D．might；must have
A
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相关题目

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A．would have telephonedB．must have telephoned
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A．shows； haveB．show； hasC．are； hasD．is； have
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A．would
B．should
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A. can         B. should     C  would   D. shall
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A．can; itB．/; /C．would; itD．may; /
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A．can’t　　B．needn’t　　C．mustn’t　　D．don’t

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