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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 538

--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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Whatswrongwithyouruncle?Weresu