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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1769

The doctors in Beijing did all they______ to save Shao Zhanwei, mayor of Hangzhou, but he still died of heart attack at the age of 58.

A.would B.could
C.must D.might
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ThedoctorsinBeijingdidalltheyt