We have bought so much food now that Tom won’t be with us for dinner.A．m
题型：不详难度：来源：
We have bought so much food now that Tom won’t be with us for dinner.| A．may not | B．needn’t | C．can’t | D．mustn’t |
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答案
| B |
解析
试题分析：考查情态动词辨析。A也许不（表示不确定的语气）；B不需要，不必；C不可能（有把握的否定推测）；D禁止，千万不能；句意：既然Tom不和我们一起吃饭，我们本不应该带那么多食物；本句中的needn’t have done本不必做某事，实际上却做了；表示虚拟语气。故B正确。
点评：本题是高考必考考点，一定要牢记句型意思。must have done过去肯定做了某事。should have done 本应该做而实际未做。 can’t have done 过去不可能做了某事；shouldn’t have done 本不应该做而实际做了。 need have done 本有必要做某事；needn’t have done 本没有必要做某事；注意没有 mustn’t have done的形式。 |
举一反三
– When can I get the ticket for the opening ceremony?
-- Don’t worry. You ____ get one this very afternoon.| A．would | B．shall | C．must | D．might |
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Sorry I’m late. I ____ have turned off the alarm clock and gone back to sleep again. | A．might | B．should | C．need | D．will |
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– James didn’t ____ last night, did he?
– No. He ____. We had changed our plan.| A．turn away; shouldn’t have come | | B．turn up; needn’t have come | | C．turn up; didn’t need to come | | D．turn away; doesn’t need to come |
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It was fine yesterday so I ______ the trouble to carry my raincoat with me.| A．don’t need to take | B．mustn’t have taken | | C．didn’t need to take | D．needn’t have taken |
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You ______ be hungry already--- you had lunch only two hours ago!| A．mustn’t | B．wouldn’t | | C．can’t | D．needn’t |
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