在英语学习中，be动词是一个非常基础且重要的知识点。为了帮助同学们更好地掌握这一内容，下面为大家整理了一些关于be动词的专项练习题。这些题目涵盖了be动词的基本用法以及常见的搭配场景，适合七年级学生进行自我检测和巩固。
一、单项选择题
1. I ______ a student in this school.
A. am B. is C. are D. be
2. She ______ my friend.
A. am B. is C. are D. be
3. They ______ from China.
A. am B. is C. are D. be
4. The book on the desk ______ mine.
A. am B. is C. are D. be
5. You and I ______ classmates.
A. am B. is C. are D. be
二、填空题
6. He ______ tall and strong.
7. We ______ good friends.
8. It ______ a cat.
9. My family ______ large.
10. The weather today ______ fine.
三、改错题
11. He am a teacher.
12. They is playing basketball.
13. This book are mine.
14. The boy is coming here.
15. She be at home now.
以上练习题旨在帮助大家熟悉be动词在不同人称和数中的正确使用。希望大家能够通过反复练习，熟练掌握be动词的用法，在英语学习中取得更大的进步。由于篇幅限制，这里没有提供答案，建议同学们自行核对或请教老师。
