Phrasal verbs

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Across
  1. 2. chime in
  2. 5. mull over
  3. 8. hand down
  4. 11. fall through
  5. 12. nod off
  6. 14. bristle at
  7. 16. own up
  8. 17. bite back
  9. 19. put down
  10. 20. allow for
  11. 21. let on
Down
  1. 1. lay off
  2. 3. come forward
  3. 4. fall back on
  4. 6. plod along
  5. 7. size up
  6. 9. iron out
  7. 10. do away with
  8. 13. wear out
  9. 15. settle for
  10. 18. kick off