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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 350

Sometimes they may play to passers-by in the street or subway so that they can earn some______ money for themselves or to pay for their instruments.

A.certain B.extra C.various D.unusual
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相关知识点

Sometimestheymayplaytopassersb