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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1245

The soldiers have devoted s11 their time and effort to       those trapped
under the fallen buildings.

A.save B.have saved C.be saving D.saving
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Thesoldiershavedevoteds11their