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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1375

The boy is waiting ____ his sister and they will go to the hospital to wait ____ their sick mother.

A.for,on B.on,for C.for,for D.on.on
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Theboyiswaitinghissisterandthe