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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1845

The number of students in our school   about 30 000 and  them study hard.

A.is;a large amount of B.are;a number of
C.is;large amount of D.is;a large number of
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Thenumberofstudentsinourschool