试题 试卷
题型：单选题 题类：常考题 难易度：普通
人教新目标版九年级Unit4 I used to be afraid of the dark. Section A同步练习
— Yes. It's almost three years we met last time.
—Wait a minute. Don't cross the street _______ the traffic lights are green.
— Yes, I didn't go to bed____________12 o'clock.
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