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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 978

—Another cup of coffee? That’s your third since lunch.
—Yeah, well, I ____ all night preparing for my history exam. I can hardly keep my eyes open.

A.stayed up B.have stayed up C.have been staying up D.will stay up
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—Anothercupofcoffee?That’syour