—Why haven’t you asked her to come here?—She _______ an important experiment wh
题型：不详难度：来源：
—Why haven’t you asked her to come here?
—She _______ an important experiment when I found her and she _____ it. | A．had done ; didn’t finish | B．was doing ; hasn’t finished | | C．did ; wouldn’t finish | D．did; hadn’t finished |
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答案
| B |
解析
| 考查时态。“你为什么没让她来这里？”“当我找到她时，她正在做一个重要的实验，她还没做完。”根据句意可知，第一空应该用过去进行时。发生在过去的事情，对现在造成的影响，用现在完成时。故选B。 |
举一反三
Seeing the road ________ with snow, they had to stay at home, watching TV and drinking coffee.| A．blocking | B．blocked | C．to block | D．to be blocked |
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-----I called you at about half past eight last night but nobody answered.
-----Oh, I _____ in my office at that time.| A．will work | B．had worked | C．worked | D．was working |
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The year 2007 ______ remarkable changes in Changzhou’s landscape. | A．sees | B．has been | C．saw | D．had seen |
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The young _____eaten up almost everything ,and one and a half bananas ____ left on the table.| A．is; are | B．are; is | C．has; have been | D．have; has been |
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—Have you heard from Nelly recently？
—Yes. I his letters and cards many times while I was in Italy.| A．have received | B．received | C．had received | D．would receive |
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