Fill in the crossword with the PLURAL form of each given word

123456789101112131415161718
Across
  1. 3. video
  2. 5. uncle
  3. 9. house
  4. 10. tooth
  5. 12. zoo
  6. 13. glass
  7. 14. fairy
  8. 15. sandwich
  9. 17. mouse
  10. 18. foot
Down
  1. 1. person
  2. 2. woman
  3. 4. box
  4. 6. child
  5. 7. monkey
  6. 8. potato
  7. 11. human
  8. 16. chef