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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 2030

As many as 150 miners died in the accident.If only the mine - owners ____ enough attention to the safety measures!

A.paid B.should pay C.would pay D.had paid
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Asmanyas150minersdiedintheacci