题目内容
He looked tired. He seemed ________ a sleepless night.
[ ]
A.to have
B.to have had
C.having
D.as if he had
答案:B
解析:
提示:
解析:
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【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. |
提示:
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【巧解点悟】若将seem改为look则选D项,所以涉及到这三个动词时除了考虑词汇意义外,一定要注意句型结构. |
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