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        1. —Must I hand in my homework now, Mr.Smith?
          —No,you ________.
          A.can’tB.shouldn’t
          C.wouldn’tD.needn’t
          D

          試題分析:must的含義是必須一定,其否定形式mustn’t表示禁止的含義。故must的否定回答一般借助于needn’t’和don’t have to來構成,句意:現(xiàn)在我必須交上我的作業(yè)嗎?史密斯先生!,你……。結合語境可知選D。
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