The 21st century has witnessed the surprisingly increasing formation of multicultural societies where a varying number of ethnic people stay together.

The city we live in is expanding, and more high-rise buildings are being built here.

Many people in big cities cannot afford to buy their own house, so they have to live in the rented one.

Young couples are forced to find affordable housing outside the city.

World War Two was the largest conflict in human history as more than 60 million people didn't survive the war.

Rivers, lakes, and oceans are contaminated by large farms and transport industries.

Economically disadvantaged students often drop out of school, choosing a low-paying job to earn money.

Instead of getting rid of fruit peels, we use them to make simple compost.

The company has a number of regulations that you must follow.

After my parents' wedding anniversary party, we decided to give the remaining food to a food bank.