试题 试卷
题型：单选题 题类：常考题 难易度：普通
安徽省蚌埠市高新、五中等五校2016-2017学年七年级下册英语期中考试试卷
—Sorry, I'll do it right away.
—Yes, when we cross the street we must wait ________ the traffic lights turn green.
—She isn't leaving here__________ Sunday morning .
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