在英语语法中，定语从句是一种非常重要的语言结构，它能够帮助我们更清晰地表达事物之间的关系。为了更好地理解和掌握这一知识点，下面我们将通过一系列练习题来巩固相关知识。
练习题
1. The book ______ I borrowed from the library is very interesting.
- A) who
- B) whom
- C) which
- D) whose
2. This is the man ______ helped us solve the problem last week.
- A) whom
- B) who
- C) whose
- D) which
3. The girl ______ is standing under the tree is my friend.
- A) who
- B) whom
- C) whose
- D) which
4. The car ______ we bought last year has been sold.
- A) which
- B) who
- C) whom
- D) whose
5. The movie ______ we watched yesterday was fantastic.
- A) which
- B) who
- C) whom
- D) whose
6. The teacher ______ gave us a lecture is an expert in this field.
- A) who
- B) whom
- C) which
- D) whose
7. The city ______ I visited last summer is beautiful.
- A) where
- B) which
- C) who
- D) whose
8. The pen ______ he lost yesterday has been found.
- A) which
- B) who
- C) whom
- D) whose
9. The letter ______ you received yesterday was from your friend.
- A) which
- B) who
- C) whom
- D) whose
10. The school ______ I graduated from ten years ago is still there.
- A) where
- B) which
- C) who
- D) whose
答案
1. C) which
解析：先行词是“book”，指物，因此使用“which”。
2. B) who
解析：先行词是“man”，指人，在定语从句中作主语，因此使用“who”。
3. A) who
解析：先行词是“girl”，指人，在定语从句中作主语，因此使用“who”。
4. A) which
解析：先行词是“car”，指物，因此使用“which”。
5. A) which
解析：先行词是“movie”，指物，因此使用“which”。
6. A) who
解析：先行词是“teacher”，指人，在定语从句中作主语，因此使用“who”。
7. B) which
解析：先行词是“city”，指物，因此使用“which”。
8. A) which
解析：先行词是“pen”，指物，因此使用“which”。
9. A) which
解析：先行词是“letter”，指物，因此使用“which”。
10. A) where
解析：先行词是“school”，表示地点，因此使用“where”。
通过以上练习，我们可以看到定语从句的关键在于正确选择关系代词或关系副词。希望这些题目能帮助大家更好地掌握这一语法点！
