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  • 更新 2022-09-03
  • 科目 英语
  • 题型 选择题
  • 难度 中等
  • 浏览 1181

There are more than 740 million Chinese _______ to second-hand smoking in public places now.

A.are being exposed B.exposed
C.to expose D.having been exposed
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Therearemorethan740millionChin