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        1. –Dave, we will leave in ten minutes. Are you ready?
          --No, I ____________ our guide book and towels yet.

          A.don’t packB.didn’t pack
          C.have packedD.haven’t packed

          D

          解析試題分析:句意:--- Dave,十分鐘之后我們將離開,你準備好了嗎?----不,我還沒有打點好我的導游書和浴巾。根據(jù)語境可知用現(xiàn)在完成時的否定形式,其結構為haven’t+done的結構。結合語境可知故選D。
          考點:考查動詞時態(tài)。

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