Помогите с 15 вопроса, плиз!!!

13. Katy doesn't write letters every day.
14. She is eating my biscuit.
15. Did you see your friend yesterday?
16. Did your father go on a business trip last month?
17. What did Nick do yesterday?
18. When does Nick get up every morning?
19. Where will your mother go tomorrow?
20. I will invite my friends to come to my place tomorrow.
21. He will not play the piano tomorow.
22. We saw a very good film last sunday.
23.Does your mother cook every day?
24. We made a fire last summer.
25. I spent last summer at the seaside.
26. Where did you spend last summer?
27. They haven't started there meal.