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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 1235

The machine might break down someday in the future, ____, you can dial this number for help.

A.in that case B.in what case
C.in which case D.in whose case
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Themachinemightbreakdownsomeda