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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1468

--Why do you look pale today?
--I was very ________my mother’s illness. I stayed awake last night.

A.concerned about B.concerned with
C.concerned in D.concerned to
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Whydoyoulookpaletoday?Iwasvery