1. quickly

2. pretty

3. good

4. easily

5. terrible

6. well

7. careful

8. carefully

9. loudly 

10. slow - slowly

11. careful - carefully

12. angry - angrily

13. excellently - excellent

14. easily - easy

15. good - well

16. suddenly

17. slowly

18. quiet

19. carefully 

20. perfectly

21. careful

22. bad

23. heavily

24, badly

25. quietly

26. fast

27. late

28. hardly

29. well

30. well

31. good

32. early

33. dangerously

34, quietly

35. quietly

36. angry 

37. careful - carefully

38. slowly

39. slow

40. well

41. well

42. hardly

43. well

44, well

45. quickly

46. nice

47. badly

48. quiet

49. well 

50. clearly.