He must have finished the work by the end of last month, _______ he?A．mustn"tB．
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He must have finished the work by the end of last month, _______ he?| A．mustn"t | B．hadn"t | C．didn"t | D．hasn"t |
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答案
| B |
解析
| 情态动词must在此表示推测,反意疑问句是将must去掉,因句中有by the end of last month,故用过去完成时,反意疑问句也用hadn"t来构成。 |
举一反三
--- He has to finish the experiment today. He must be in the lab,____?
---That s quite possible.| A．mustn"t he | B．won"t he | C．doesn"t he | D．isn"t he |
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______ some of this juice —perhaps you’ll like it.| A．Trying | | B．Try | | C．To try | | D．Have tried |
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I don’t suppose anyone will be volunteer, ______?| A．do I | | B．don’t I | | C．will they | | D．won’t they |
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The women carrying babies , come in first ,_________ ?| A．will you | B．will they | C．do you | D．don’t you |
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—Alice, you feed the bird today；______ ？ —But I fed it yesterday. | A．do you | B．will you | C．didn’t you | D．don’t you |
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