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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1346

It was announced that only when the fire was under control ____ to return to their homes.

A.the residents would be permitted B.had the residents been permitted
C.the residents had been permitted D.would the residents be permitted
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Itwasannouncedthatonlywhenthef