—Catherine, I have cleaned the room for you.—Thanks, you __________it. I could m
题型：不详难度：来源：
—Catherine, I have cleaned the room for you.
—Thanks, you __________it. I could manage it myself.| A．needn’t do | B．needn’t have done | | C．mustn’t do | D．shouldn’t have done |
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答案
| B |
解析
| 本题考查情态动词.根据句意可知Catherine对对方为她打扫了房间表示感谢并提到对方不必为她打扫房间。needn’t do不需要做……；mustn’t禁止做……，都用于现在的动作；needn’t have done表示做了本来不必去做的事；shouldn’t have done是本不该做却做某事。 |
举一反三
--- Hi, Tom. Any idea where Jane is?
--- She _________ in the classroom. I saw her there just now. | A．shall be | B．should have been | C．must be | D．might have been |
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| It has been announced that students _______ remain in their seats until all the papers have been collected. |
----- 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 |
He _____ be really difficult at times even though he ,generally speaking, is a nice person.| A．can | B．should | C．shall | D．must |
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My brother is honest. He _____ such a thing.| A．might not do | B．can’t have done | C．can do | D．mustn’t have done |
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