题目内容
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 |
C
解析
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题目内容
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 |
C
解析
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