Your sentence
무슨+일이에요
Words in this sentence
무슨
what, what kind of; a certain, some; some kind of; what kind of; used for emphasis in a rhetorical question.
Determiner
일
work (activity done for compensation or reward); a fact, an event, a situation (any kind of occurrence); deed (any human activity); urination, defecation, sexual intercourse; day (twenty-four hours, a thirtieth of the month)
Noun