I had a one-nighter with a stranger I met at the bar.

I went to the party on my tod.

I need a piece of cake.

I have onety-one apples.

For one's particular needs, it is important to find the right solution.

The new student felt lost in the midst of his classmates.

I invited my friends to the party, and they all brought their plus ones.

He stopped in his tracks when he saw the bear.

On one hand, I want to go on vacation, but on the other hand, I have a lot of work to do.

There are one million stars in the sky.