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--Mike, can you tell us something about our new teacher?

-- Oh, sorry. I know nothing because I _____________ him before.

A. saw B. didn’t see C. have seen D. haven’t seen

 

D

【解析】

试题分析:句意:迈克你能告诉我一些有关我们新老师的事情吗?对不起,我什么都不知道。我以前没有见过他。根据句意,可知我不知道是对现在的影响,动作发生在过去强调对现在的影响,用现在完成时,故选D。

考点:考查现在完成时的用法

 

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