在高中英语学习中，宾语从句是一个非常重要的语法知识点。它是指一个句子充当另一个句子的宾语，通常由引导词（如that, if/whether, who, whom, whose, which, what等）引导。为了帮助大家更好地掌握这一知识点，下面整理了50道精选练习题，供同学们参考和练习。
一、选择题
1. I don't know ________ he will come tomorrow.
A. that B. ifC. whatD. why
2. She told me ________ she had finished her homework.
A. whenB. where C. whether D. that
3. Can you tell me ________ they are talking about?
A. who B. whatC. how D. why
4. He asked me ________ I would go with him.
A. that B. ifC. whether D. what
5. Do you remember ________ we visited last year?
A. whereB. whenC. whatD. who
6. The teacher said ________ the earth moves around the sun.
A. that B. ifC. whether D. why
7. I don't know ________ he is right or wrong.
A. if B. whether C. that D. what
8. Could you please tell me ________ he lives?
A. whereB. whenC. whatD. who
9. She didn't tell me ________ she was going to leave.
A. when B. where C. why D. what
10. I wonder ________ they have already arrived.
A. that B. ifC. whether D. why
二、填空题
11. I don't know ________ he will be back.
12. She asked me ________ I liked the movie.
13. They talked about ________ they should go to the park.
14. He told us ________ he had found the lost book.
15. Do you know ________ he has gone?
三、改写句子
16. She said that she was tired. 改为间接引语：________
17. He asked me if I could help him. 改为间接引语：________
18. They wondered whether it would rain. 改为间接引语：________
19. She told him that she loved him. 改为间接引语：________
20. They asked if there was a bus station nearby. 改为间接引语：________
四、综合题
21. I don't know ________ she will agree to our plan.
22. He told me ________ he would finish his work before dinner.
23. She asked me ________ I had seen the film before.
24. They discussed ________ they should buy a new car.
25. I wonder ________ he has any plans for the weekend.
五、判断题
26. 宾语从句中的引导词“that”可以省略。（√/×）
27. “Whether”和“if”在宾语从句中可以互换使用。（√/×）
28. 宾语从句必须紧跟在主句之后。（√/×）
29. 宾语从句的语序通常是陈述语序。（√/×）
30. “What”只能用来引导宾语从句。（√/×）
以上是关于高中英语宾语从句的一些练习题，涵盖了选择题、填空题、改写句子、综合题和判断题等多种题型。希望这些题目能够帮助大家巩固和提高对宾语从句的理解和运用能力。练习时，建议结合具体语境，多思考句子之间的逻辑关系，这样才能更有效地掌握这一语法点。
