One

One must be of noble birth to become a knight.

One! You're so lucky to have such supportive friends!

She always orders just one scoop of ice cream.

This is the one chance we have to make a good impression.

One should be careful when crossing the street.

One must have a good attitude to be successful in life.

He works hard every day, one way to support his family.

He asked for one more chance to pass the exam.

The restaurant only had one table left available for dinner.

She volunteers at a local shelter, one way to give back to the community.

She studied hard for her exams, one reason for her success.

One of the greatest challenges in life is learning to forgive.

The chairman himself will meet with one to discuss the proposal.

The one who succeeds is often the one who perseveres.

One can have a lot of fun playing games with friends.