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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1161

Students are often told _____ at people who are in trouble.

A.not to smile B.to smile
C.not to laugh D.to laugh
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Studentsareoftentoldatpeoplewh