题目内容

--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:-Mike，你能告诉我一些关于我们的新老师的事情吗？-哦，对不起。我什么都不知道，因为我以前从来没见过他。根据句意可知，Mike以前从来没见过这个新老师，所以他不知道关于新老师的事情，因此这里应该用现在完成时态。故选D。A是一般过去时；B是一般过去时的否定形式；C是现在完成时，但意思不对。

考点：考查动词时态。

 

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In fact, shortly after Microsoft announced the “demise” of XP,some Chinese IT security(安全)providers were willing to offer safe solutions for XP users who do not change into a new system.

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3.根据短文内容回答问题。

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Today is your birthday. I hope you will like my present---the roses. One rose means one year. Wish you are always charming.

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A. Because the roses were too expensive.

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C. Because Jack sent too many roses to his girlfriend.

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