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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 1046

The pilot asked all the passengers on board to remain________ as the plane was making a landing.

A.seat B.seating C.seated D.to be seating
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Thepilotaskedallthepassengerso