【名词性从句练习题】在英语语法中，名词性从句是一个非常重要的知识点，它在句子中充当名词的角色，可以作主语、宾语、表语或同位语。掌握好名词性从句的用法，不仅能提升我们的语法水平，还能帮助我们在写作和口语中更准确地表达思想。
以下是一些关于名词性从句的练习题，旨在帮助学习者巩固相关知识，并提高实际运用能力。
一、选择题
1. I don’t know ______ he will come tomorrow.
A. if
B. that
C. whether
D. what
2. The teacher asked ______ we had finished our homework.
A. if
B. that
C. whether
D. what
3. She is not sure ______ she should go to the party.
A. if
B. that
C. whether
D. what
4. The question is ______ he is telling the truth.
A. if
B. that
C. whether
D. what
5. Do you remember ______ we met last time?
A. when
B. that
C. whether
D. what
二、填空题
1. I wonder ______ he is late again.
2. She didn’t tell me ______ she was going.
3. The problem is ______ we can finish the work on time.
4. He asked me ______ I had seen his book.
5. The fact is ______ he passed the exam.
三、改错题
请找出下列句子中的错误并改正：
1. I don’t know if he will come or not.
2. The teacher said that he would be late.
3. Whether he comes is not important.
4. She asked me where did she go.
5. The question is that he is right.
四、翻译题
将下列中文句子翻译成英文，注意使用正确的名词性从句结构：
1. 我不知道他是否已经到家了。
2. 老师问我们是否完成了作业。
3. 这个问题是我们能否按时完成任务。
4. 她想知道我为什么没去参加聚会。
5. 事实是他昨天迟到了。
五、写作练习
请用包含名词性从句的句子写一段话，描述你最近的一次经历。要求至少使用三个不同类型的名词性从句（如主语从句、宾语从句、表语从句等）。
通过这些练习题，希望大家能够更好地理解和掌握名词性从句的用法。在实际应用中，要注意引导词的选择、语序的变化以及句子的整体逻辑关系。只有不断练习，才能真正掌握这一语法点。
