He failed in the exams and only then _____ how much time he had wasted. A．he rea
题型：不详难度：来源：
He failed in the exams and only then _____ how much time he had wasted. | A．he realized | B．did he realize | C．he had realized | D．had he realized |
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答案
| B |
解析
试题分析：考查ｏｎｌｙ的倒装句，ｏｎｌｙ接状语的时候，谓语动词用部分倒装，ｔｈｅｎ这里是时间状语，句意：当他考试失败了，只有那时他才意识到浪费了多少时间。时态应该是一般过去时，选Ｂ。
点评; only的倒装句要注意一定是only后面接状语才能倒装，如果接主语或宾语就不是倒装句了。 |
举一反三
— I went to see a film yesterday.
— Oh, did you? _________ . .| A．So I did | B．I did so | C．So do I | D．So did I |
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If you’ve finished, we can have a coffee. ________, you’d better keep working.| A．If so | B．Only if | C．If not | D．If only |
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Not until the driver was stopped by the traffic police that he shouldn’t have drunk so much wine. | A．he realized | B．did he realize | C．realized himself | D．he did realize |
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in your position, I would help him. | A．Was I | B．Were I | C．If I am | D．If I had been |
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Only by imagining and creating ____the problem. | A．can solve | B．you can solve | C．solve | D．can you solve |
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