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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1710

______ when to leave, I could only stay at home, _____ nothing.

A.Knowing not; done B.Not having known; doing
C.Having not known; done D.Not knowing; doing
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whentoleave,Icouldonlystayatho