导语：定语 从句由关系词（关系代词、关系副词）引导，关系代词、关系副词位于定语从句句首。以下小编为大家介绍定语从句练习题及答案文章，欢迎大家阅读参考!
定语从句练习题及答案
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 can’t 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, where, why.
a. that－既可指人，也可指物，作主语，不能省略；作宾语，可以省略；不引导非限定性定语从句
There are lots of things ________ I need to prepare before the trip. （10河北）
A. who B. that C. whom D. whose
(答案: B)
b. which－指物，作主语，不能省略；作宾语，可以省略.可引导非限定性定语从句。
This is the dictionary ________ Mum gave me for my birthday. (08河北)
A. which B. what C. whose D. whom
(答案：A)
Sorry, we don’t have the coat ________ you need. (09河北)
A. what B. who C. whom D. which
(答案：D)
c. who－般指人，作主语，不能省略；作宾语，可以省略,（常用whom）