Teatime teaser

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Across
  1. 8. who ate all the carrots
  2. 9. vintage cake
  3. 14. he had a great fall
  4. 15. who wants to be one
  5. 16. there's a pot of gold at the bottom
  6. 19. mighty oaks come from these
Down
  1. 1. it's coming soon
  2. 2. a holey bun
  3. 3. naughty people go to see this show
  4. 4. Thomas edison invented this
  5. 5. Robin's bestie
  6. 6. you'd get to tee's off playing this
  7. 7. a chocolate one is not useful
  8. 10. wealthybiscuit
  9. 11. Pull yourselves together
  10. 12. avoid this jammy one
  11. 13. James has a giant one
  12. 17. best Wilko in town
  13. 18. he's a sly one