在英语学习过程中，定语从句是一个非常重要的语法知识点，它能够帮助我们更清晰地表达事物之间的关系。为了更好地掌握这一语法点，下面为大家准备了一些适合初中阶段的定语从句练习题及其详细解答。通过这些题目，相信你对定语从句会有更深的理解。
练习题
1. The book which I bought yesterday is very interesting.
- A) that B) who C) whose D) whom
2. This is the man who helped me with my homework last week.
- A) which B) that C) whose D) whom
3. The girl whose backpack was lost came to ask for help.
- A) that B) who C) which D) whose
4. He is the only one of the students who has finished the task.
- A) which B) that C) whose D) whom
5. Do you know the reason why he was late?
- A) that B) which C) why D) for which
6. The house where we used to live is now being sold.
- A) that B) which C) where D) whose
7. She is the teacher to whom all the students respect.
- A) that B) who C) which D) to whom
8. The man whom you met just now is my uncle.
- A) that B) who C) which D) whom
9. The book that you borrowed from the library is overdue.
- A) which B) that C) whose D) whom
10. The car which broke down on the highway belonged to him.
- A) that B) which C) whose D) whom
答案解析
1. A) that
在定语从句中，“which”和“that”都可以用来指代事物，但在口语中更常用“that”。
2. B) that
“Who”用于指代人，在这里正确。
3. D) whose
“Whose”表示所属关系，修饰名词“backpack”。
4. B) that
“That”可以用于指代人或物，在这里正确。
5. C) why
“Why”引导定语从句，修饰先行词“reason”。
6. C) where
“Where”引导地点状语从句，修饰“house”。
7. D) to whom
“To whom”表示方向性，用于介词后。
8. D) whom
“Whom”用于宾格，指代人。
9. B) that
“That”可以用于指代事物。
10. B) which
“Which”用于指代事物。
希望以上练习题能帮助大家巩固定语从句的知识点！如果有任何疑问，欢迎继续探讨。
