--- Catherine, I have cleaned the room for you.---Thanks. You _______ it. I coul
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
试题分析：句意：凯萨琳，我已经为你打扫了房间。--谢谢，你本不必这么做，我自己能行。因为房间已经打扫过了，所以是needn’t have done本不必做而做了，A. needn’t do不必做（事实），C. mustn’t do禁止做，D. shouldn’t have done本不应该做而做了，根据句意选B。 |
举一反三
Zhanglin was lost in computer games during his last year in high school, otherwise he _____ a student at Beijing University. | A．would have been | B．can be | C．has been | D．had been |
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The politician has been warned that he would be getting into great trouble ____ stick to his standpoint.| A．were he to | B．he will | C．he was to | D．would he |
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___ he _____ me the news yesterday, I would be at the party now.| A．Should, tell | B．Did, tell | | C．Had, told | D．Were, to tell |
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It’s so cold today．If it should get warmer this afternoon，I＿my car．| A．would have washed | B．would wash | C．must have washed | D．must wash |
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In order to do something meaningful, it’s necessary that you _______ determine what is really important.| A．must | B．will | C．need | D．should |
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