题目内容

18．He kept looking at her，wondering whether he        her somewhere．（　　）
A．sawB．has seenC．seesD．had seen

分析 他不停地看着她，不知道自己是否在什么地方见过她．

解答 答案：D
根据"He kept looking at her"使用了一般过去时可知，此处的"见过她"是发生在过去"他不停地看着她"之前的动作，应使用过去完成时；故选D．

点评 本题考查了过去完成时（had+done）的用法；首先应根据句中已知的时态以及句意，判断出此处动作发生的时间；其次应了解过去完成时表示的是发生在过去之前的动作；最后应熟练掌握各时态的意义及用法区别．

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