Fill in the blanks with appropriate forms.
1 .thief 2. The third three. Pleasure 4. Pain 5. Really 6. Terrible 7. Knowledge 8. Cross 9. Usually 10. Woolen fabric 1 1. Lively 65438 +02. Health 13. Sister's 14 Worse 15. Rainy day 16. Invention 17. Unhappy 18. Woman 19. December twentieth. luckily