I accidentally boarded the wrong bus.

He worked hard to overcome difficulties.

He got carried away after his success and ended up making a big mistake.

If you have any problems, please feel free to consult me anytime.

The continent of America is a mix of many countries and cultures.

He can speak American English fluently.

The Americas have the largest land area on Earth.

The American red wolf is one of the endangered species.

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

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