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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 254

--- How many students are there in the classroom?
--- ______.All of them are practicing _____ the new song in the music hall.

A.Nobody; singing B.None; singing
C.Twenty; to sing D.No one; to sing
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Howmanystudentsarethereinthecl