Present simple, odpowiednie formy

11. My mother _____ (start) work at half past seven.
12. What ______ they ______ (do) in the evening?
13. How _____ you ______(spell) that in English?
14. Brian ______ (get) up at eight o'clock.
15. Where ______John and Martin (go) ?
16. Serena ______ (not know) what to do.
17. Wendy ______ (not like) to do shopping.
18. My grandfather ______ (not live) in London.
19. My sisters ______ (walk) to school every day.
20. My best friend _____ (like) math.
21. My brother and I ______ (have) breakfast half past seven.​