在英语学习中，从句是语法中的一个重要部分，掌握好从句的用法不仅有助于提高写作能力，还能增强阅读理解的准确性。以下是一些关于从句的练习题，帮助你更好地理解和运用各类从句。
一、名词性从句
1. I don’t know ______ he will come tomorrow.
A. thatB. ifC. whetherD. what
2. The teacher explained ______ we should do the homework.
A. whichB. howC. whyD. what
3. She said ______ she was tired.
A. thatB. ifC. whetherD. what
4. Do you remember ______ we met last time?
A. whenB. whereC. howD. why
5. He asked me ______ I had finished my work.
A. thatB. ifC. whetherD. what
二、定语从句
6. The book ______ I borrowed from the library is very interesting.
A. whoB. whichC. whomD. whose
7. The man ______ is standing over there is our new English teacher.
A. whoB. whichC. whomD. whose
8. The girl ______ mother is a doctor studies very hard.
A. whoB. whichC. whoseD. whom
9. The house ______ we lived in was built in 1990.
A. thatB. whichC. whereD. when
10. This is the place ______ the accident happened.
A. thatB. whichC. whereD. when
三、状语从句
11. I will call you ______ I arrive home.
A. whenB. becauseC. althoughD. if
12. Although it was raining, they went out.
A. thoughB. althoughC. even thoughD. all of the above
13. You can go out ______ you finish your homework.
A. afterB. beforeC. untilD. as long as
14. He didn’t go to school ______ he was sick.
A. becauseB. sinceC. forD. all of the above
15. She will pass the exam ______ she works hard.
A. ifB. unlessC. even ifD. as long as
四、综合练习
16. The boy ______ is sitting next to me is my brother.
A. whoB. whichC. whomD. whose
17. I don’t know ______ he is coming or not.
A. ifB. whetherC. thatD. what
18. We will go to the park ______ it doesn’t rain.
A. ifB. unlessC. even ifD. as long as
19. The reason ______ he was late is unknown.
A. whyB. thatC. whichD. because
20. She told me ______ she had seen the movie.
A. thatB. ifC. whetherD. what
答案：
1. B2. D3. A4. A5. B
6. B7. A8. C9. C10. C
11. A12. D13. D14. D15. A
16. A17. B18. B19. A20. A
通过这些练习题，你可以更好地掌握从句的结构和用法。建议在做题后回顾相关语法点，加深理解，逐步提升英语水平。
