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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 2020

—The light in his office is still on. Do you know _______?
—To prepare for the material(材料) the meeting will need tomorrow, I think.

A.if he works hard B.why he stays up so late
C.why is he so busy D.when he will stop working
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相关知识点

—Thelightinhisofficeisstillon.