A．5:00.
B．5:30.
C．6:00.
D．6:30.

A．Engineer and computer expert.
B．Father and daughter.
C．Manager and clerk.
D．College advisor and student.

A．He would buy it, though expensive.
B．It’s good, but it costs too much.
C．It’s good and cheap.
D．It is not worth buying.