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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1594

— What on earth are the police busy with?
— They have been looking into how the plane crash _______.

A.came out B.came up C.came down D.came about
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—Whatoneartharethepolicebusywi