8. She doesn't study Japanese.
10. You don't like to come home late, do you?
11. Do they like their flat?
12. Do you promise to help me?
13. Do you often go to the library?
15. They don't visit their friends every weekend.
16. Does it often rain in Spain?
17. You watch doesn't tell the right time, does it?
18. They don't go to the cinema.
19. You don't get up at 9 o'clock.
20. Do you like the green hat?