试题 试卷
题型：单选题 题类：常考题 难易度：普通
广东省深圳市深大附中2018-2019学年九年级上学期英语期中考试试卷
—Yes, she did. So she treated herself to a complete set of Mark Twain's novels.
—Wait a minute. Don't cross the street _______ the traffic lights are green.
—Yeah, we would have got wet all over if we hadn't.
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