Ferris Bueller's day off puzzle

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Across
  1. 6. what is the name of Ferris's sister
  2. 9. when was the movie filmed
  3. 10. What is the name of the antagonist
  4. 11. What was one of the buildings the trio visited
Down
  1. 1. what is the song that was playing in the parade.
  2. 2. what is the name of Ferris's girlfriend
  3. 3. What was the name of the car that Ferris Borrow
  4. 4. Where is the movie set in
  5. 5. what instrument did Ferris play at the start of the movie
  6. 7. how many days was Ferris absent
  7. 8. what is Ferris's best friend's name