◎ 题干
.        he made up his mind, nothing could change it.
A.BeforeB.UnlessC.WhenD.Once
◎ 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“.he made up his mind, nothing could change it.A.BeforeB.UnlessC.WhenD.Once…”主要考查了你对  【并列连词】【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。