◎ 题干

_______Tom is very good at science, his brother is absolutely hopeless.
A.WhenB.WhileC.AsD.If
◎ 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“_______Tom is very good at science, his brother is absolutely hopeless.A.WhenB.WhileC.AsD.If…”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。