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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 258

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
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Theoldteacherlaywideawakeonhis