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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1042

—Has Mary come back yet?
—Yes. She has got many books from her elder schoolmates, which __________ 1,000.

A.add up B.add up to
C.add to D.add
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—HasMarycomebackyet?—Yes.Sheha