A．In a crowded classroom.
B．In an empty room.
C．In a busy street comer.
D．In a shopping centre.

A．The man' s professor.
B．The man' s roommate.
C．The woman' s boyfriend.
D．A neighbour.

A．He is too sloppy.
B．He borrows John's things.
C．He brings guests over to the apartment.
D．He doesn't use the kitchen enough.