Crosstastic

123456789101112131415161718192021
Across
  1. 3. one
  2. 6. knock knock
  3. 9. not there
  4. 11. years in a century
  5. 12. teeth and gums
  6. 14. sore
  7. 16. kind
  8. 17. over water
  9. 19. start of Winter
  10. 20. on a knife's _
  11. 21. clown trick
Down
  1. 1. deep and dark
  2. 2. Dr _
  3. 3. the owner
  4. 4. big
  5. 5. pants
  6. 7. do not have
  7. 8. he is
  8. 9. your ears do this
  9. 10. different
  10. 13. quick
  11. 15. to hear in the past
  12. 16. enormous
  13. 18. paper
  14. 19. mid Winter