Vocabulary (Unit 6)

The walls of the old train station are covered in colorful ________.

There was so much ________ on the street that the city council had to organize a clean-up day.

Factories releasing harmful gases contribute to air ________.

We were late for work because we got stuck in a long ________ on the highway.

The storm caused a ________, leaving the entire neighborhood without electricity.

It's hard to find a seat on the subway during ________ because so many people are traveling.

The shopping mall was full of ________ because of the holiday sales.

I love going to the park because the ________ make the city feel fresh and relaxing.

After the festival, people left behind a lot of ________, making the streets look dirty.

The government is trying to reduce air ________ by promoting public transportation.