What is the Correct Plural Form of...

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Across
  1. 3. dog
  2. 4. parent
  3. 8. lady
  4. 13. gangster
  5. 14. puppy
  6. 15. mouse
  7. 16. glass
  8. 18. this
  9. 19. house
  10. 20. tooth
Down
  1. 1. kid
  2. 2. woman
  3. 5. schoolbags
  4. 6. child
  5. 7. friend
  6. 9. person
  7. 10. baby
  8. 11. brush
  9. 12. foot
  10. 15. man
  11. 17. stories