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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1116

-The terrible accident is under investigation.
-Actually, quicker action __________ those workers trapped in the mine.

A.may have saved
B.could have saved
C.must have saved
D.should have saved
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Theterribleaccidentisunderinve