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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1948

A survey of the opinions of experts             that three hours of outdoor exercise a week is good for one’s health.
A. show                B. shows      C. is shown

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Asurveyoftheopinionsofexpertst