4.
1. doesn't
2. don't
3. doesn't
4. doesn't
5. don't
6. don't
7. doesn't
8. don't
9. doesn't
10. don't
11. don't
12. doesn't
13. doesn't
6.
1. How many hours Been sleep?
2. How often do we water the flowers?
3. Where is Mona every Sunday?
4. When do they feed the rabbits?
5. Who enjoy classical music?
6. Who seldom play table tennis?