this is so difficult help

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Across
  1. 2. computer screen
  2. 3. pen
  3. 5. calculator
  4. 7. stapler
  5. 10. ruler
  6. 11. notebook
  7. 13. marker
  8. 15. pencil sharpener
  9. 19. dictionary
  10. 21. eraser
  11. 23. student's desk
  12. 24. folder
  13. 26. document
  14. 28. binder
  15. 29. file
Down
  1. 1. the trash
  2. 4. scissors
  3. 6. mask
  4. 8. book
  5. 9. computer
  6. 12. school supplies
  7. 14. web
  8. 16. adhesive tape
  9. 17. trash
  10. 18. mouse
  11. 20. pencil
  12. 22. backpack
  13. 25. teacher's desk
  14. 27. cursor