______, John had to stay up for the night to finish his paper.

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问题 ______, John had to stay up for the night to finish his paper.

选项 A、Having not given enough time
B、Having not been given enough time
C、Not having been given enough time
D、Not having given enough time

答案C

解析 这里是现在分词短语作原因状语。应该注意几点:1)分词的否定形式和其他非谓语否定形式一样,均须将否定词放在句首。2)根据分词的逻辑主语来判断分词用主动形式还是被动形式。 3)还要根据动作的先后来判断是否用分词的完成形式。本句使用否定形式,那么答案应该只是在选项C和D里面了。然后看是John给人家时间还是人家给他时间。
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