Whose stuff?

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Across
  1. 6. my poster
  2. 8. his mo-ped
  3. 11. his bike
  4. 13. her lamps
  5. 14. his scooter
  6. 16. his computer
  7. 17. your radio
  8. 18. your pens
  9. 20. my book
Down
  1. 1. my rackets
  2. 2. my table or iPad
  3. 3. your bed
  4. 4. my bedroom
  5. 5. her purse
  6. 7. his pencils
  7. 9. my notebooks
  8. 10. your watch
  9. 12. your car
  10. 15. her guitar
  11. 19. his motorcycle