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        1. –Dave, we will leave in10 minutes. Are you ready?
          – No, I ________ our guide book and towels yet.

          A.don’t pack B.didn’t pack 
          C.have packed D.haven’t packed 

          D

          解析試題分析:句意:大衛(wèi),我們十分鐘后動身。你準備好了嗎?——不,我還沒有裝好我的指導書和毛巾。結(jié)合語境可知本句強調(diào)對現(xiàn)在的影響,故用現(xiàn)在完成時態(tài)。選D。
          考點:考查時態(tài)辨析

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