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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1066

It was until dark ___ he found ___ he thought was the correct way to solve the problem.

A.that; what B.that; that C.when; what D.when; that
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Itwasuntildarkhefoundhethought