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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
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— What's wrong with your uncle?
— We're sure _______ something is wrong with him, but we doubt _______ the disease can kill him.

A.if; whether B.that; that
C.whether; if D.that; whether
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相关知识点

—Whatswrongwithyouruncle?—Were