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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 1551

The policeman asked the child ________ cross the street ________ the traffic lights turned green.

A.not, when B.not to, until
C.didn't, before D.not to, after
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Thepolicemanaskedthechildcross