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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1521

—Who left the door open?
— Oh, sorry. I _____ the door.

A.ought to lock B.should lock C.ought to have locked D.could lock
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—Wholeftthedooropen?—Oh,sorry.