Numbers

1. one ________ _______
2. two ________ _______
3. three ________ ________
4. four ________ _________
5. five ________ _________
6. six ________ _________
7. seven ________ _________
8. eight ________ ________
9. nine ________ ________
10. ten ________ _________
11. eleven _________ _________
12. twelve _________ __________
13. thirteen _________ __________
14. fourteen _________ __________
15. fifteen _________ __________
16. sixteen _________ __________
17. seventeen _________ _________
18. eighteen _________ _________
19. nineteen _________ _________
20. twenty _________ __________