He was running while holding a bag.

He always carries an umbrella around.

We must strive to protect the environment of the Earth.

Education about sex is very important.

This building is very high.

How tall is this building?

There are various types of plants in my garden.

In this company, he is in the lowest of the low positions.

Growth hormone plays an important role in promoting the growth of the human body.

He came down the stairs.