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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1854

The big fire in Shanghai, believed to ______ due to the burning of construction materials, caused 58 deaths and destroyed all the belongings of the people there.

A.have occurred B.occur
C.have been occurring D.be occurring
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ThebigfireinShanghai,believedt