--Mike, can you tell us something about our new teacher? -- Oh, sorry. I know n
题型：不详难度：来源：
--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 |
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答案
| 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。 |
举一反三
The lady in this photo __ be over fifty! She looks so young!| A．mustn"t | B．can"t | C．must | D．can |
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-- Hello, this is Jack. Mary I speak to Tom?
-- Sorry, he isn"t in at the moment. If he back, I"II ask him to call you back.| A．come | B．comes | C．have come | D．came |
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--It is cold outside. You"d better wear warm clothes to the cold.
--Ok, thanks.| A．keep out | B．keep down | C．turn down | D．let down |
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--How long have you _ Teresa?
-- For three years by now. Our wedding anniversary is coming next week. .| A．got married to | B．married | C．married with | D．been married to |
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-Why not _ the party till tomorrow? We have an exam today.
--No problem. See you then.| A．go off | B．take off | C．turn off | D．put off |
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