以下是一些适合三年级学生练习的英语句子:
1. I like playing with my friends.
2. My favorite color is blue.
3. She has a pet cat named Whiskers.
4. We are going to the park later.
5. He is good at playing soccer.
6. My mom makes delicious cookies.
7. The weather is sunny and warm today.
8. They are going on a family vacation this summer.
9. I have a new backpack for school.
10. The book I am reading is very interesting.