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        1. — Must we finish all the exercises today?
          — No, you ________.You can finish them within two days.
          A.mustn’tB.needn’t toC.needn’tD.don’t have
          C

          試題分析:句意:我們必須今天完成所有的練習(xí)嗎?must的否定回答不用mustn’t,一般要借助于needn’t或者don’t have to。通過(guò)分析只有選項(xiàng)符合要求,故選C。
          點(diǎn)評(píng):must的用法比較特殊,其基本含義是必須,一定。其否定形式表示禁止的意思。故其否定回答一般要借助于needn’t或者don’t have to來(lái)完成,記住即可。
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