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问题

1._________I came in,Jimmy had already


1._________I came in,Jimmy had already worked out the maths problem.

  • A In the time
  • B On the time
  • C Since
  • D By the time
参考答案
参考解析:

I 1.D【解析】by the time到……时止,by the time引导的从句通常用过去完成时.

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