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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 902

It was announced that only when the fire was put out _________ to return to their dormitories.

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