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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1863

— No one can answer the question _______ we can complete the task in time, do you know?
— Yes, and this is because we don’t know the way _______ the scientist used last time.

A.whether; which B.if; which
C.whether; in which D.if; in which
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—Noonecananswerthequestionweca