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        1. -Do I have to do it right now?
          --No, you _____. You can do it at any time.

          A.can’t B.needn’t
          C.mustn’t D.shouldn’t

          B

          解析試題分析:句意:—我必須現(xiàn)在做這件事嗎?—不,你不必,你可以在任何時(shí)間做。A. can’t 不能;           B. needn’t 不必; C. mustn’t 不準(zhǔn); D. shouldn’t 不應(yīng)該,根據(jù)語(yǔ)境此題是“不必”的意思,故選B。
          考點(diǎn):考查情態(tài)動(dòng)詞的用法

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