=>
Ex2/
1. walks
2. are always
3. doesn't love
4. studies
5. goes
6. Does the plane take
7. sweeps
8. don't use
9. Do/go
10. don't watch
11. is doing
12. isn't learning
13. are doing
14. to take
15. study
16. playing
17. are studying
18. have
19. does
20. likes
21. do you have
22. doesn't have
Ex3/
1. E
2. H
3. A
4. B
5. G
6. C
7. D
8. F