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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1613

-- I called you this morning, but nobody answered it.
-- Oh, we ______ some shopping at the supermarket.

A.are doing B.were doing
C.have done D.did
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Icalledyouthismorning,butnobod