_______ your math teacher? Mr Zhao.A. What's B. Who's C. Where's
()- -Have some bread. A.I am hungry. B.I am fine. C. Here you are.
()John: ,please? Sarah: My name is Sarah.
()John: . Mike: Fine, thank you.
()Wu Yifan: Can I have some cakes, please? Sarah: .
()Miss White: Have some cakes, John. John: .