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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1293

—What        you        when I called you yesterday?
—I was doing my homework.
A.do, do    B.did, do     C.were, doing

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—WhatyouwhenIcalledyouyesterda