题目内容

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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