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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1962

The number of students in our school        4000 and a number of them     good at playing ping pong.

A.is, is B.are, are C.is, are D.are, is
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Thenumberofstudentsinourschool