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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 313

The head of the company promised to deal with matters of this sort________he returned to his office.

A.until
B.while
C.by the time
D.the moment
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Theheadofthecompanypromisedtod