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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1423

Although police could be seen everywhere, they seemed to be searching the houses almost ________.

A.at ease B.at random C.at risk D.at length
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相关知识点

Althoughpolicecouldbeseenevery