九年级英语定语从句专项练习题及答案九年级英语定语从句专项练习题及答案定义:在复合句中作定语,修饰主句中的某一名词或代词的从句,叫做定语从句。被定语从句所修饰的词叫先行词,位于从句之前。定语从句有关系代词that、which、who、whose、whom和关系副词when 、where、why引导.定语从句的基本结构为:先行词 + 关系代/副词 + 句子Do you know the boy who is wearing a blue jacket?The skirt that /which is made of silk is very expensive. I cant afford it.The number of the people who/that own cars is increasing.The house that(which、/) the famous person once lived in is very old now.考点1. 关系代词: that, which, who, whom, whose 关系副词: when, w