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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 300

The number of the workers in this factory ________1,500. A number of them ______ from the countryside.

A.is; are B.are; is C. is; is D.are; are
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Thenumberoftheworkersinthisfac