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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 615

—Did you notice John was not at work today?
—No.If _______ working,I would have noticed it.

A.I’d B.I was
C.I’d been D.I were
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—DidyounoticeJohnwasnotatworkt