题目内容
19.When walking down the street,I came across David,who I _____ for years.( )A. | didn't see | B. | haven't seen | C. | hadn't seen | D. | wouldn't see |
分析 当我沿着街道散步的时候,我偶然遇到了多年未见的戴维.
解答 答案:C.根据"I came across David,"可知偶遇戴维是在过去,而"not see"这个动作发生在"come across"之前,是过去的过去发生的动作,用过去完成时.选项A是一般过去时,表示过去某个时间点发生的动作;选项B是现在完成时,表示从过去某个时间点开始的动作,一直持续到现在;选项D是过去将来时,表示从过去的某一时间来看将来要发生的动作或存在的状态;故选C.
点评 本题考查过去完成时,表示过去的过去发生的动作.做题时,要根据四个选项时态的特点,结合句子动作发生的时间,选择正确的时态.
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