Mr. Walden's amazing crossword puzzle

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Across
  1. 3. piano
  2. 8. doctor
  3. 9. bicyle
  4. 11. president
  5. 12. cruz
  6. 13. perfect
Down
  1. 1. minute
  2. 2. problem
  3. 4. English
  4. 5. north
  5. 6. costa
  6. 7. tiger
  7. 10. artist
  8. 13. pilot