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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1995

Having worked as a doctor for so many years, Mr. White has________rich experience in battling with various diseases.

A.accumulated B.reserved C.increased D.developed
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Havingworkedasadoctorforsomany