My favorite transportation means is taxi.
We should develop public transportation in Beijing.
Too many private cars cause traffic jams in Beijing.
Subway is supposed to be on time.
People are encouraged to take buses to work.
The government should take some measures to relieve the traffic pressure.
Since the Olympics will be hold in Beijing, the government is building more subways.
Airplanes is the quickest but the most expensive way of traveling.
During the Spring Festival, the capacity of China's railway system is highly challenged.
The snow disaster cut off the traffic.
The bicycle is a clean and convenient way of traveling.
The magnet train will greatly improve the speed of transportation.