Did your father use to go by bus to work?
Traffic jam is one of the most common issues in big cities in the world .
People should use public transports to reduce the number of private vehicles on the road.
There used to be a factory in the town centre but it has been moved to the suburbs.
You must learn about the road safety before riding your bike on the road.
Chúc b học tốt!

Did your father use to go by bus to work?

Traffic jam is one of the most common issues in big cities in the world .

People should use public transports to reduce the number of private vehicles on the road.

There used to be a factory in the town centre but it has been moved to the suburbs.

You must learn about the road safety before riding your bike on the road.