The city centre is always ______ with people, shops, and vehicles.

A ______ travels from home to work every day, usually in a city.

Many large cities are becoming a ______ with tall buildings everywhere.

The city centre has cameras and more police officers to prevent ______.

This city is considered very ______ because it has good schools, hospitals, and parks.

We usually take the ______ to travel quickly around the city.

My brother is studying ______, so he won't come home until next summer.

______ is a common problem in crowded tourist areas.

The city has many ______ such as parks, libraries, and sports centres.

The ______ provides a fast way to travel above the streets.

There is heavy ______ on the roads during the morning rush hour.

Workers must wear helmets when they work at a ______.

The road was very ______ after the construction work.

Car ______ can cause serious air pollution in big cities.

They live in a ______ old building in the centre of the city.

My skin feels ______ after walking through the grass.

The bus was so ______ that we could hardly move.

The restaurant is quite ______, so we decided to eat somewhere else.

This bus service is very ______. It always arrives on time.

There are usually many vehicles on the roads during ______.

Don't leave your phone in your back pocket because ______ is common in crowded places.

We need a ______ bus service because students depend on it every day.

The train service is ______, so passengers often have to wait for a long time.

The streets are especially ______ at night because there are many restaurants and shops open.