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  • 更新 2024-11-04
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 6

People ________ wear helmets(头盔)when they ride e-bikes according to the traffic rules.

—Yes. Or they will be punished.

A.

must

B.

can

C.

may

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—Peoplewearhelmets(头盔)whenthey