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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1587

I have been told to donate blood by the health expert __________ I need some in the medical treatment one day.

A.even though B.as if
C.in case D.now that
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Ihavebeentoldtodonatebloodbyth