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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2064

When you come into the exhibition hall,you can see a large board with a notice on it,saying visitors__________not to touch the exhibits.

A.will request B.request
C.are requesting D.are requested
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相关知识点

Whenyoucomeintotheexhibitionha