I Know The Answer, But Why?

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Across
  1. 3. Big guy shortened each bubble bath
  2. 6. Mr Jangles meets Governor General before the French game
  3. 9. Set the rate the French inside royal dwelling
  4. 10. last crazy season
  5. 12. Portent Laurence of Arabia repelled young bird
  6. 14. Observe beer running for refreshment
  7. 15. Martian confused with greeting offers drink
Down
  1. 1. Sounds like girl makes her way to body of water in Algonquin Park
  2. 2. Set the rate the french inside royal dwelling
  3. 4. Steers slapper Jake(?)
  4. 5. Baby noise softly with nervous motion is puzzling
  5. 7. Good French with sound joint gives a girl
  6. 8. Mongrel an inside weirdly developed toe on Chuck's foot
  7. 11. Game said in anger
  8. 13. Raced crazy to lake
  9. 14. Brothers initially lease town