高中英语语法解释 Books are the most important records we keep _____. A. up C. of 选C
问题描述：
高中英语语法解释 Books are the most important records we keep _____. A. up C. of 选C
答
Books are the most important records we keep of man's thoughts答案解析：以上句子为带有一个定于从句的 主语+系动词+表语（定语从句修饰表语）主语：Books系动词：are定语：the most important表语：record修饰...