who / which / whee

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Across
  1. 2. adult
  2. 3. pyjamas
  3. 6. documentary
  4. 12. airport
  5. 13. teenager
  6. 15. school
  7. 16. tablet
  8. 17. teacher
  9. 18. friend
Down
  1. 1. supermarket
  2. 2. app
  3. 4. annoyed
  4. 5. tracksuit
  5. 7. frightened
  6. 8. blog
  7. 9. park
  8. 10. drums
  9. 11. relative
  10. 14. claw
  11. 19. rabbit