在英语学习中，强调句是一个非常重要的语法点，尤其在书面表达和口语交流中，能够准确运用强调句结构可以让句子更加清晰、有力。本文整理了20道关于强调句的专项练习题，并附有详细答案，帮助大家更好地掌握这一语法知识点。
一、什么是强调句？
强调句是通过特定的句型结构来突出句子中的某个部分，比如主语、宾语、状语等。常见的强调句结构是：
- It is/was + 被强调部分 + that/who + 其他成分
例如：
- It was John who broke the window.（是约翰打破了窗户。）
- It is in the park that we met for the first time.（我们第一次见面是在公园里。）
二、专项练习题
1. It was in the library ______ I found my lost book.
A. where
B. that
C. which
D. when
2. It was not until 2010 ______ he graduated from university.
A. when
B. that
C. which
D. where
3. It is the teacher ______ gave us the homework.
A. who
B. that
C. whom
D. which
4. It was she ______ called me last night.
A. who
B. that
C. whom
D. which
5. It was on Monday ______ we had the meeting.
A. when
B. that
C. which
D. where
6. It was the students ______ helped the old man.
A. who
B. that
C. which
D. whom
7. It was at the station ______ I met her.
A. where
B. that
C. which
D. when
8. It was not until 8 o'clock ______ he arrived.
A. when
B. that
C. which
D. where
9. It is the manager ______ is responsible for this project.
A. who
B. that
C. which
D. whom
10. It was in the classroom ______ the teacher scolded the student.
A. where
B. that
C. which
D. when
11. It was Tom ______ broke the vase.
A. who
B. that
C. which
D. whom
12. It was yesterday ______ I saw him.
A. when
B. that
C. which
D. where
13. It is the book ______ I borrowed from the library.
A. who
B. that
C. which
D. whom
14. It was in the morning ______ he left for Beijing.
A. when
B. that
C. which
D. where
15. It was the girl ______ won the prize.
A. who
B. that
C. which
D. whom
16. It was at the restaurant ______ we had dinner.
A. where
B. that
C. which
D. when
17. It was not until the end of the movie ______ he realized the plot.
A. when
B. that
C. which
D. where
18. It is the man ______ I met last week.
A. who
B. that
C. which
D. whom
19. It was in the park ______ they played football.
A. where
B. that
C. which
D. when
20. It was the teacher ______ told me to study harder.
A. who
B. that
C. which
D. whom
三、参考答案
1. B
2. B
3. A
4. A
5. B
6. A
7. B
8. B
9. A
10. B
11. A
12. B
13. B
14. B
15. A
16. B
17. B
18. A
19. B
20. A
四、小结
强调句虽然结构固定，但灵活运用可以增强语言的表现力。建议在日常学习中多进行相关练习，结合具体语境理解其用法。希望这20道题目能帮助你更好地掌握强调句的使用方法！
