Helookedtired.Heseemed________asl

发布时间:2020-07-26 06:50:33

He looked tired. He seemed ________ a sleepless night.A.to haveB.to have hadC.havingD.as if he had

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B解析【巧解导析】此题学生极易错选D项,但是seem后接as if/as though引导的从句只能用于以it开头的句子.seem除了接表语从句外,还可接不定式,因为不定式的动作在谓语动作之前完成,所以应用完成式.
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