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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 困难
  • 浏览 331

Much time _____ sitting at a desk, office workers are generally troubled by health problems.

A.being spent B.having spent
C.spent D.spending
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Muchtimesittingatadesk,officew