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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1747

  A number of books in the library _______ been stolen so that the number of them ______smaller than before.

A.have; is B.has; is C.has; are D.have; are
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Anumberofbooksinthelibrarybeen