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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1765

The traffic rule says young children under the age of four and ____less than 40 pounds must be in a child safety seat.

A.being weighed B.to weigh C.weighed D.weighing
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