He is a true gentleman.

There are 20 students in our class.

That person is my friend.

The American continent is where diverse cultures and nature coexist.

My dream is to live in the United States of America someday.

The whooping crane is an endangered species, and it is difficult to see its beautiful figure.

The American red wolf is one of the endangered species.

He likes to take a walk in the park at dusk.

Let's go to see a movie together.

He is a foreigner, so he finds it difficult to learn about Japanese culture.