difficult words 11

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Across
  1. 3. trip
  2. 5. by driving erratically
  3. 6. someone stops talking
  4. 8. the action of introducing someone
  5. 9. a example
  6. 11. his laugh
  7. 13. unable to see you
  8. 16. something precious
  9. 17. earrings,rings
  10. 18. the urge,ability to do something
  11. 19. to learn something
Down
  1. 1. work,physic work
  2. 2. a aim or plan
  3. 4. not logical
  4. 5. an option
  5. 7. a natural way of acting
  6. 10. measurement
  7. 12. learn
  8. 14. a problem
  9. 15. money paid