C1 ADVANCED FOR FAST FINISHERS

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Across
  1. 2. to attract (e.g. attention, interest)
  2. 5. to improve
  3. 6. teenage years
  4. 7. to make jokes
  5. 8. a highly talented child
  6. 9. lively
  7. 10. a person who sees something but is not involved
  8. 13. very valuable
  9. 16. unwilling
  10. 17. silent
Down
  1. 1. to carry out a particular activity or process
  2. 3. a teacher and friend
  3. 4. boring
  4. 6. to give a short performance to see whether you are suitable for an orchestra, play, film, etc.
  5. 11. to give a warning
  6. 12. sudden
  7. 13. ordinary, not special in any way
  8. 14. a smell
  9. 15. looking depressing or bleak