Plurals

An exercise for you,
by Papadamos Konstantinos

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Write the plurals of the following nouns:
e.g. desk - desks

1. lion -
2. glass -
3. box -
4. wife -
5. wolf -
6. church -
7. bus -
8. man -
9. woman -
10. boy -
11. body -
12. fly -
13. foot -
14. tooth -
15. cockroach -
16. glass -
17. baby -
18. toy -
19. knife -
20. butterfly -