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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 2114

Only after _______ did people know it was not an accident, but an attack of some kind.

A.the second tower of the World Trade Centre was hit
B.did the second tower of the World Trade Centre fall
C.was the second tower of the World Trade Centre hit
D.the second tower of the World Trade Centre was fallen
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Onlyafterdidpeopleknowitwasnot