上册：

1. What’s in the classroom？

2. This is Zhang Peng, our new classmate.

3. We have a new classroom.

4. Where is my seat？ It is near the door.

5. Let’s clean the classroom. Good idea!

6. Let me clean the board. All right.

7. It is nice and clean!

8. This is my school. It's very beautiful.

9. I have a new teacher. She is very nice.

10. We learn a lot of knowledge in the classroom every day.

下册：

1. What is your name？

2. My name is Lisa.

3. How old are you？

4. I am nine years old.

5. Where are you from？

6. I am from China.

7. What is your favorite color？

8. My favorite color is blue.

9. Do you have any pets？

10. Yes, I have a dog.

11. What do you like to do in your free time？

12. I like to read books and play with my friends.

13. What is your favorite subject in school？

14. My favorite subject in school is math.

15. Do you have any siblings？

16. Yes, I have a younger brother.

17. What do you want to be when you grow up？

这些好词好句涵盖了日常生活、学习、家庭等多个方面，适合四年级学生学习和使用。希望这些对你有所帮助!