A．A cigarette lighter.
B．A heating system.
C．Worn carpet.
D．A statue of Queen Victoria.
A．He was taking pictures of the scenery.
B．He was waiting to attend a secret meeting.
C．He was doing his job.
D．The weather was bad and he could not go out.
A．It opened as a retail chain selling camping equipment.
B．It opened as a retail chain selling campsites.
C．It opened as a retail chain offering camping holidays.
D．It opened as a retail chain selling tents.