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18.When she entered the police station,she recognized the man who ______ her at once.(  )
A.was attackingB.attackedC.had attackedD.would attack

分析 当她走进警察局时,她认出了那个曾经袭击她的人.

解答 答案:C
根据句意可知,此处的动作"attack her"应发生在"she recognized the man(使用了一般过去时)"之前;即:袭击她应发生在(过去)她认出了那个人之前;因此此处表示发生在过去某时间之前的动作,应使用过去完成时;A.过去进行时,表示在过去某时间正在发生的动作或状态;B.一般过去时,表示过去某时间里发生的动作或状态;D.过去将来时,表示从过去的某一时间来看将来将要发生的动作或状态;因此A.B.D都不会句意;故选C

点评 本题考查了过去完成时的用法(had+done).做本题的关键是要根据句意,判断出该动作发生的时间是在过去的过去;另外,还应了解各时态所表达的具体意义以及它们之间的用法区别.

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