GAP YEAR

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Across
  1. 3. very tiring
  2. 6. become conscious (of)
  3. 9. things you're waiting for/awaiting
  4. 10. beneficial
  5. 11. synonym for difficult
  6. 15. failing(s)/ flaw
  7. 17. lack
  8. 19. nostalgic
  9. 20. autonomous/independent
  10. 21. heart-breaking
Down
  1. 1. instructive/eye-opening
  2. 2. highly probable
  3. 4. to be eventually
  4. 5. arduous/exhausting
  5. 7. form to be filled out for registration(place/job)
  6. 8. inefficient use(of money/time)
  7. 12. delay/defer
  8. 13. disadvantage
  9. 14. synonym for refuge/shelter
  10. 16. fall (into depression)
  11. 17. significant and fast rise/increase (in)
  12. 18. painful