Odpowiedź:
1. likes
2. is waiting
3. doesn't understand
4. keep
5. is coming(?)
6. is typing
7. are walking
8. works
9. is not/isn't sleeping
10. does not/doesn't smoke
11. isn't smoking lub doesn't smoke zależy w jakim czasie
12. are playing
13. talks
14. dreams
15. isn't teaching(?)
16. is writing
17. forget
18. are flying
19. hurts
20. is rising