( )I'm going ______ 3 o'clock. A. on B. in C. at
( )- -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: .