Crossword 2!

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Across
  1. 3. Extraordinary, extremely impressive
  2. 5. Mum
  3. 7. Walked with difficulty
  4. 10. Love poem
  5. 12. Positive answer
  6. 13. Escape
  7. 14. Without mistakes
  8. 15. Extinct bird
  9. 16. Negative answer
  10. 19. Same
  11. 20. Sitting furniture item
  12. 21. Gas we breathe
Down
  1. 1. Opposite of off
  2. 2. Always ticking
  3. 4. Got payback
  4. 6. Greek god of water
  5. 7. Skill of using your ears
  6. 8. Value
  7. 9. Mythical creature
  8. 11. Important, powerful god
  9. 13. Dad
  10. 17. Fish
  11. 18. The blue ______is the largest animal in the world