tiếng anh

A group of scientists are doing research on pollution of rivers in the area

Protecting the environment is up to everyone doing small things every day.

Answer explanation

Protecting the environment depends on everyone doing small things every day.

im’s sister exercises at the gym regularly to keep fit and stay healthy

Answer explanation

Tim’s sister works out at the gym regularly to keep fit and stay healthy.

There has been a gradual decrease in the rural population recently.

Answer explanation

The rural population has decreased gradually relently.

House prices in big cities have increased a lot over the past decade

Answer explanation

House prices have gone up a lot over the past decade.

More people move to big cities, so big cities become more crowded.

Answer explanation

The more people move to big cities the more crowded big cities become.

My younger sister attended a presentation course. She can work as an MC. (so that)

Answer explanation

My younger sister attended a presentation course so that she can work as an MC.

This company requires good management skills. It also requires teamwork skills. (not only......but also)

Answer explanation

This company requires not only good management skills but also teamwork skills.

My parents have never played pickleball in this court before.

Answer explanation

This is the first time my parents have ever played pickleball in this court.

We have never seen such an impressive performance before.

Answer explanation

It is the most impressive performance we have ever seen.