Regular verbs

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Across
  1. 5. to observe
  2. 9. to understand
  3. 13. to work
  4. 15. to finish
  5. 16. to run
  6. 17. tp enjoy
  7. 18. to read
  8. 21. to write
Down
  1. 1. to listen
  2. 2. to rest
  3. 3. to share
  4. 4. to study
  5. 6. to explain
  6. 7. to sing
  7. 8. to eat
  8. 10. to walk
  9. 11. to look
  10. 12. to paint
  11. 14. to drink
  12. 18. to clean
  13. 19. to dance
  14. 20. to use