—I couldn’t get through to you at home last night. You must have gone out then,
题型：不详难度：来源：
—I couldn’t get through to you at home last night. You must have gone out then, ________?
— Yes, I went to the cinema.| A．mustn’t you | B．haven’t you | C．can’t you | D．didn’t you |
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答案
| D |
解析
| 考查反义疑问句。情态动词+have done时，如果后面没有过去时的时间状语，就对现在完成时反问，如果有了过去时的时间状语就对过去时反问。本题的then是过去时的时间状语，所以对过去时反问。D正确。 |
举一反三
Paul’s wish is to become a pilot, ____?| A．isn’t he | B．isn’t it | C．is he | D．is it |
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—Jack, you water the flower today, ___?
— But, dad, I watered it yesterday.| A．do you | B．will you | C．didn’t you | D．don’t you |
|
As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?| A．do they | B．don’t they | | C．don’t you | D．isn’t it |
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Mrs. Black doesn’t believe that her son is able to design a digital camera, ______?| A．is he | B．isn’t he | C．doesn’t she | D．does she |
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I heard that some patients who had undergone laser eye surgery experienced sudden losses of vision, ______?| A．didn’t I | B．hadn’t they | C．didn’t they | D．isn’t it |
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