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题型:单选题 题类:常考题 难易度:容易
试题来源:河北省秦皇岛卢龙县2016-2017学年七年级上学期英语期中考试试卷
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组卷次数:21次 +选题
— No, it's very dangerous. You mustn't go until the traffic lights turn green.
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