At the university
Aliya: Excuse me, (1) ______ ?
Guard: The lost property office? It's on the ground floor, behind the canteen.
Aliya: Thank you very much. I think I left my phone in the library yesterday.
Guard: (2) ______ ?
Aliya: At about four o'clock, I think. I was working there for two hours.
Guard: Well, somebody handed in a black phone this morning.
Aliya: Really? (3) ______ ?
Guard: A first-year student, I think. I didn't ask for his name. Please fill in this form and describe your phone.