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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1932

People ______ long distances frequently have to decide whether they would prefer to go by land, sea or air.  

A.to travel B.travelled C.travel D.travelling
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Peoplelongdistancesfrequentlyh