--- I was lucky to win a gold medal in the 800-meter-race. --- You __________ th
题型：不详难度：来源：
--- I was lucky to win a gold medal in the 800-meter-race.
--- You __________ through tough training.| A．must go | B．should go | C．must have gone | D．should have gone |
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答案
| C |
解析
试题分析：句意：——我幸运的在800米赛跑中得了金牌。——你一定经过了艰苦的训练。根据句意，与过去有关，排除ＡＢ。Must 一定，必须，must have done（过去)一定做了某事，should应该，should have done本应该做某事而实际没做，故选Ｃ
点评：情态动词+have done ,表示对过去的虚拟或推测。记住这些结构的意思：shouldn’t have done 本不应该做某事，实际上却做了；needn’t have done本不需要做某事，实际上却做了。can’t/couldn’ t have done不可能做了某事， |
举一反三
One of our rules is that every student_____wear the school uniform while at school．| A．might | B．could | C．shall | D．will |
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Last night Li Ping watched the football match at my home, so he________ in his office. | A．needn’t have worked | B．mustn’t haven’t worked | | C．shouldn’t have worked | D．couldn’t have worked |
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There _____ be any difficulty in passing the road test since you have practised a lot in the driving school.| A．mustn’t | B．shouldn’t | C．shan’t | D．needn’t |
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| If people eat natural plant poisons by mistake, they _______ go to hospital without delay. |
Some aspects of a pilot"s job be boring, and pilots often work at inconvenient hours．| A．can ; have to | B．may ; can | | C．have to; may | D．ought to; must |
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