He worked hard to accomplish his goals.

His role is the team leader.

Health is very important.

His opinion is very important.

I was amazed at his extraordinary talent.

Please press this button in case of emergency.

It is a very beautiful view.

This institution plays a very important role.

He received the letter challenging him to a duel and began preparing for the duel.

Gender roles are an important element in defining individual behavior in society.