Crossword 19, 20 and 21

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Across
  1. 3. Male sibling
  2. 4. Former acorn, becomes an ___ tree
  3. 5. Sounds of a crow in a cornfield
  4. 6. Stringed instrument pictured with angels
  5. 9. ___-hoo (chocolate drink)
  6. 10. Comical ___ Conway
  7. 12. List the vowels.
  8. 13. Mayberry's Barney ____
  9. 14. Elongated, snake-like fish
  10. 15. "A penny saved is a penny ______."
Down
  1. 1. From Wales
  2. 2. High's opposite
  3. 5. Maxwell Klinger's rank in M*A*S*H
  4. 7. Star followers in the Bible
  5. 8. Small rodents
  6. 11. Prongs on a fork
  7. 14. Black-____ Susan (flower)