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

English to Catalan

• Cheers! Salut
• She's older than me Ella és més gran que jo
• Are you working Tomorrow? Està vostè treballant Demà?
• Did it snow yesterday? Ho va fer ahir la neu?
• Are you free tonight? Estàs lliure aquesta nit?
• Are you American? És vostè americà?
• This is Mrs. Smith Aquesta és la senyora Smith
• Do you need anything? Què necessites alguna cosa?
• Did you take your medicine? T'has pres la teva medicina?