Spelling, week 21

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Across
  1. 2. See you "later, _____"
  2. 4. not finished
  3. 5. site of the "shot heard 'round the world"
  4. 6. the first general of the Continental Army
  5. 8. See you "in a while, _____"
  6. 9. don't know about
  7. 12. ______ of Independence
  8. 16. immediate
  9. 18. he said "the British are coming"
  10. 19. chimpanzee, for example
  11. 20. not nice
Down
  1. 1. Stella was one
  2. 3. We'll have a picnic ____ it rains.
  3. 7. wrong
  4. 10. British general who surrendered at Yorktown
  5. 11. create
  6. 13. first name of author of "Common Sense"
  7. 14. can't do it
  8. 15. large marsupial from Australia
  9. 17. May I have fries _____ of potatoes?
  10. 20. not fair