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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 912

— Has Tom finished his homework yet?
— I have no idea, he _____ it this morning.

A.was doing B.did C.had done D.would do
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—HasTomfinishedhishomeworkyet?