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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1548

I want to ring him___to know the reason why he rang___while I was speaking yesterday.

A.up; off B.back; up C.up; down D.on; off
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Iwanttoringhim___toknowthereas