◎ 题干
The American Civil War lasted four years ____ the North won in the end.
A. after         B. before            C. when             D. then
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“The American Civil War lasted four years ____ the North won in the end. [ ]A. after B. before C. when D. then …”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。