Are Tou an Italian Insider ?

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Across
  1. 4. boss of the Vatican
  2. 6. water
  3. 7. Thank You
  4. 9. fisherman island in Venice
  5. 10. informal way to say hello or goodbye
  6. 12. good morning
  7. 14. afternoon nap
  8. 15. let's go
  9. 18. a fast car
  10. 19. the ? hills of rome
Down
  1. 1. what Adele likes to drink
  2. 2. sandwich
  3. 3. milk
  4. 5. please (two words 3,5)
  5. 8. where gladiators fought
  6. 11. exit
  7. 13. romantic boat ride in venice
  8. 16. An original renaissance man
  9. 17. river of rome