easy crossword puzzle

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Across
  1. 3. ???
  2. 5. kat
  3. 9. i don't know
  4. 11. star
  5. 12. outdoors
  6. 13. superhero
  7. 15. peep
  8. 16. bowl
  9. 17. heart
Down
  1. 1. weapon
  2. 2. song
  3. 4. card
  4. 6. flower
  5. 7. lectern
  6. 8. a word
  7. 10. charger
  8. 14. a cow