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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1302

He _____the problem _____in his mind for a whole week before he did anything about it.

A.switched; on B.kicked; up C.turned; over D.took; on
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Hetheprobleminhismindforawhole