Derek's puzzle

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Across
  1. 3. dog
  2. 6. make
  3. 9. school
  4. 10. baseball
  5. 13. tuesday
  6. 14. brown
  7. 15. car
  8. 17. cook
  9. 19. play
Down
  1. 1. green
  2. 2. football
  3. 4. ball
  4. 5. apple
  5. 7. like
  6. 8. milk
  7. 11. see
  8. 12. cat
  9. 16. have
  10. 18. shirt
  11. 20. red