A、对
B、错
A、Dubai is a city of little population.
B、Dubai isn’t very crowded.
C、Dubai is a city of nice traffic.
D、Dubai is a great city for shopping and going out.
A、They have been kept waiting for about 20 minutes for a table.
B、Their train has been delayed.
C、The air conditioning is out of work.
D、The heating system is broken in the restaurant.