6B Unit 2 crossword puzzle (pair work)

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Across
  1. 3. pearl
  2. 7. native
  3. 8. citizen
  4. 9. route
  5. 10. edge
  6. 11. skull
  7. 12. axe
  8. 14. society
  9. 17. float
  10. 19. disappear
  11. 21. warrior
Down
  1. 1. experienced
  2. 2. unknown
  3. 4. single
  4. 5. risk
  5. 6. release
  6. 11. spice
  7. 13. employ
  8. 15. trade
  9. 16. oar
  10. 18. approach
  11. 20. unmapped