◎ 题干
—Hurry up. The bus is coming.
—Oh, no, we mustn't cross the street             the traffic lights are green.

[     ]

A. after
B. since
C. while
D. until
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—Hurry up. The bus is coming. —Oh, no, we mustn't cross the streetthe traffic lights are green. [ ]A. after B. while C. since D. until …”主要考查了你对  【从属连词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。