◎ 题干
— Why do you turn back? 
— Oh, the bridge ahead _____.

A. is being repaired
B. is repairing
C. is repaired
D. is being repairing
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Why do you turn back?— Oh, the bridge ahead _____. [ ]A. is being repairedB. is repairing C. is repaired D. is being repairing …”主要考查了你对  【现在进行时的被动语态】  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。