He must have finished the work yesterday, ____ he ?A．mustn"tB．haven"tC．didn"tD．
题型：不详难度：来源：
He must have finished the work yesterday, ____ he ?| A．mustn"t | B．haven"t | C．didn"t | D．hasn"t |
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答案
| C |
解析
| 当陈述部分是mustmay have done sth.时，如果有表示过去的时间状语，就用过去时来反问；如果没有表示过去的时间状语，就用现在完成时来反问. |
举一反三
The women carrying babies, come in first,_____ ？| A．will you | B．will they | C．don"t they | D．didn"t they |
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We believe she can win the game, ______?| A．don’t we | B．do we | C．can we | D．can’t we |
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Don’t have the water ______ like this all the time, _______?| A．run, do you | B．running, will you | | C．to run, will you | D．run, shall we |
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I don’t think Mary and Sue _____ before, ______?| A．have met; haven’t they | B．have met; have they | | C．have seen; do I | D．have seen; don’t they |
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We believe she can win the game, ______?| A．don’t we | B．do we | C．can we | D．can’t she |
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