单项选择题

Pedestrian zones reduce city center pollution.

A. Traffic reductions have improved city center air quality.
B. Larger roads have reduced city center traffic jams.
C. Cycle areas have improved the flow of city center traffic.

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单项选择题

When at a terminal for public transportation, never leave your luggage unattended.

A. Don't leave your luggage at a terminal.
B. Don't get far away from your luggage.
C. Take good care of your luggage at a terminal.

单项选择题

DELAYS EXPECTED ON COMMUTER TRAIN SERVICES.

A. People traveling to work by train may be late.
B. There are problems with high speed trains.
C. Due to problems, all trains will be late.