Spelling rules for 'oo'

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Across
  1. 2. To watch
  2. 5. Rosthern Community ______
  3. 7. The opposite of smart
  4. 8. To make everyone feel welcome
  5. 11. One dollar coin
  6. 13. The period between childhood and adulthood
  7. 15. "Adjust your _______ young lady"!
  8. 16. A number of people
  9. 17. Moon activity
  10. 19. The other kind of "through"
  11. 21. To follow or chase
  12. 22. The opposite of lie
  13. 23. Our closest city
Down
  1. 1. The past tense of "know"
  2. 3. To persuade someone
  3. 4. A source of vitamins and nutrients
  4. 6. The last month of the school year
  5. 9. Something that you are expected to do
  6. 10. A regular habit or schedule
  7. 12. Precious metals and stones
  8. 14. Needed for chewing food
  9. 18. A new member or employee
  10. 19. A different kind of "threw"
  11. 20. A floating holiday