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

He came running along and climbed ____ the train just as it was about to leave.

A.aboard B.board C.abroad D.on abroad
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Hecamerunningalongandclimbedth