Sprint 4, Units 3 and 4

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Across
  1. 7. very unusual or surprising
  2. 9. speaker a person who learned a language from birth
  3. 11. at risk of disappearing
  4. 14. a person you share a flat with
  5. 15. a group of people with the same culture and traditions
  6. 16. a holiday after a wedding
  7. 18. to give up something important for a reason
  8. 19. a smaller group in a larger population
Down
  1. 1. a formal suit for special events
  2. 2. a university qualification
  3. 3. all the words you know or use
  4. 4. a person you know, but not very well
  5. 5. to come out or appear
  6. 6. serious and official in style or clothes
  7. 8. a small number of something
  8. 10. the way you say words
  9. 12. year a year off before or after studies
  10. 13. engaged to agree to marry someone
  11. 17. a special event or time