----- The windows must have taken you quite a long time that day. ----- Right. T
题型：不详难度：来源：
----- The windows must have taken you quite a long time that day.
----- Right. They ______ for months.| A．haven’t been cleaned | B．didn’t clean | C．hadn’t been cleaned | D．haven’t cleaned |
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答案
| C |
解析
| 考查时态。根据must have taken可知是过去的某个时间擦窗户的，那么窗户很久没有被擦是在这之前，所以使用过去完成时。句意：—那些窗户一定花了你很长时间吧！—是的。他们已经好几个月没有被擦了。 |
举一反三
There are lots of problems in your hometown, but we"re happy to see many of them___________.| A．are solving | B．are solved | C．have solved | D．are being solved |
|
—You seem familiar with Mr. John?
—Of course, we________ together for three years in the 1990s.
have worked B. had worked C. are working D. worked |
Don’t telephone me at 8 a.m. tomorrow — I ________ a meeting.| A．am having | B．will be having | | C．am about to have | D．have had |
|
Last year I applied to Princeton University. I ________ they would say yes — but they did, and now here I am．| A．never think | B．am never thinking | | C．have never thought | D．never thought |
|
— Mum，I really think Dad should have a break and get relaxed．
—Yes．He too long．| A．read | B．had read | | C．has been reading | D．is reading |
|
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