21. If you and one of your friends plan to enjoy the food walk， you will pay ________.

19. __________after dinner is good for our health.

18. It＇s said that ChatGPT has both good and bad sides. —Well， it all_______ how you use it.

17. The apple is in the box. You can_________.

16. 1don＇t think the film is wonderful. _________，its ending is OK.

15.___________you say， I won＇t change my mind.

14. He is angry with his mother， because she always________ him with the best student in his class.

13.We can＇t _________this math problem. Can you help us?

12. My parents don＇t allow me _______TV on school days.

11. Look at the photo! My father is_________ newspapers while my mother is watching TV.

10.How time flies! We’ll graduate from the college this weekend! ------ ____________we have to say goodbye， I will remember our friendship forever.