1. What
2. Who
3. What
4. What time
5. How
6. How old
7. What time
8. Which class
9. Which grade
10. How many books
11. How much
12. How much
13. How much
14. How long
15. How many
16. Where
17. Which
18. Where
19. How often
20. What color
21. How
22. What
23.Which season
24. What sport
25. When
26. Who
27. Why
28. Who
29. Why
30. How