First try

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Across
  1. 3. trip
  2. 7. serves my use
  3. 8. wonder
  4. 10. happy
  5. 12. she
  6. 14. innocent
  7. 16. school time
  8. 17. ripped
  9. 19. the cross
  10. 21. ocean
  11. 25. urgent
  12. 26. end
  13. 28. labour
  14. 29. currency
  15. 31. greeting
Down
  1. 1. bag of sorts
  2. 2. reply
  3. 4. ever
  4. 5. need
  5. 6. royal home
  6. 9. never ending
  7. 11. two
  8. 13. strength
  9. 15. lift up
  10. 18. high peaks
  11. 20. favour of God
  12. 22. necessary
  13. 23. the beginning one
  14. 24. pristine
  15. 27. against
  16. 30. exclaim