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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1856

Look! There _______ a number of students running on the playground. The number of them _________ 15.

A.is; is B.is; are
C.are; is D.are; are
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Look!Thereanumberofstudentsrun