Captain my Captain

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Across
  1. 3. Four!!
  2. 4. Don't Preach
  3. 9. A Spanish Dance
  4. 10. First letter of the Greek alphabet
  5. 14. Montague
  6. 15. Eleven of Twelve
  7. 16. One of the Turtles (abbv)
  8. 19. Star of Two and a Half Men
  9. 20. Unit of measure
Down
  1. 1. Capulet
  2. 2. Good job
  3. 5. One of the Egot
  4. 6. Worn by nurses, police and firemen
  5. 7. A type of drink
  6. 8. Proud African tribe
  7. 11. Mouth of a river
  8. 12. Temporary Stay
  9. 13. Northerner
  10. 17. Land of Spice
  11. 18. Repeated sound