Some spanish think idk

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Across
  1. 4. to help
  2. 5. to put
  3. 6. iron clothes
  4. 9. still
  5. 13. to receive
  6. 14. to dance
  7. 16. should
  8. 18. secret
  9. 20. to leave
Down
  1. 1. balloon
  2. 2. to come
  3. 3. dirty
  4. 7. to clean
  5. 8. to sing
  6. 10. to decorate
  7. 11. to open
  8. 12. if
  9. 15. to have to
  10. 17. to bring
  11. 19. to cook