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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 419

It    be difficult to get a train ticket during traditional Chinese Spring Festival this year because there are many ticket windows.

A.mustn't B.ought to C.needn't D.can't
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Itbedifficulttogetatrainticket