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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1803

A lot of fish in the river _______ recently, because there is lots of pollution.

A.has died B.has been dead
C.have been dead D.have died
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Alotoffishintheriverrecently,b