首页 / 高中英语 / 试题详细
  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2098

-- Hi, Grace, you look tired.
-- I'm tired. I ____________________ on my homework all day.

A.worked B.had worked
C.have been working D.have worked
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Hi,Grace,youlooktired.Imtired.