Unit 6 -er, -ir, -ur

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Across
  1. 1. not clean
  2. 3. works for a doctor
  3. 4. to form into a curved shape
  4. 6. to twist about
  5. 7. known or proved to be true
  6. 9. to spin around
  7. 10. not sinful
  8. 11. round
  9. 13. to believe to be the case
  10. 15. a small quick stream
  11. 16. to go back
  12. 17. not clear
Down
  1. 2. a shelled creature
  2. 4. used to take pictures
  3. 5. in addition
  4. 7. bent
  5. 8. later
  6. 12. to give approval to
  7. 14. between twenty and forty
  8. 15. a twisting shape or mark