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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1093

According to school bus safety rules, when a school bus stops on the road to _____or pick up students, other vehicles behind it must stop to wait.

A.drop off B.take off C.pay off D.turn off
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Accordingtoschoolbussafetyrule