[IFB] Lesson 6: Vocabulary

 Air pollution in a city that a mixture of smoke, gases and chemicals

• Congestion

• Smog

• Toll

Situation when it is full or blocked, especially with traffic

• Congestion

• Developing

• Rush hour

Describes a country or area of the world which is poorer and has less-advanced industries

• Off-peak

• Developed

• Developing

Describes a country with an advanced level of technology, industry, etc.

• Developing

• Developed

• Rush hour

Money that you pay to use bridge or road, etc.

• Toll

• Rush hour

• Commuter

Not at the most popular and expensive time

• Commuter

• Rush hour

• Off-peak

Someone who travels regularly between home and work.

• Toll

• Congestion

• Commuter

The time when a lot of people are travelling to or from work and so roads and trains are busy

• Congestion

• Rush hour

• Off-peak