题目内容
【题目】The old teacher lay wide awake on his bed, __________ all the problems he had to deal with the next day.
A. thought about B. to think about
C. thinking about D. having thought about
【答案】C
【解析】句意:这位老教师躺在他的床上,不能入睡,思考着第二天他必须解决的所有的问题。thinking about现在分词短语作伴随状语。
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