◎ 题干
(2013·河南省普通高中适应性检测卷一)People spend many years learning about favorite sports and ________ how to do them well.
A.practiceB.practiced
C.practicing D.to practice
◎ 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“(2013·河南省普通高中适应性检测卷一)People spend many years learning about favorite sports and ________ how to do them well.A.practiceB.practicedC.practicing D.t…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  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。