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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1121

He packed his suitcase, ________ the door and rushed downstairs as fast as he could.



A.locking
B.locked
C.having locked
D.having been locked
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Hepackedhissuitcase,thedoorand