How to Say Who sent this letter? in Croatian with how to pronounce and transliteration in English?

English to Croatian

• Cheers! Živjeli!
• My name is John Smith Moje ime je John Smith
• Are you sure? Jeste li sigurni?
• I'm allergic to seafood Alergičan sam na plodovima mora
• Are you American? Jesu li američki?
• What's your last name? Koja je tvoja prezime?
• What do you want to do? Što želite učiniti?
• Do you feel better? Osjećate li se bolje?
• Are you going to take a plane or train? Jeste li idući u uzeti avion ili vlak?
• Do you like the book? Volite li knjigu?