I ate the whole thing.

He achieved success at the expense of his health.

I prefer the latter option.

We will have finished dinner by the time he comes back.

I won the lot in the lottery.

The former president of the company retired last year.

He was denied entry on the grounds that he didn't have a valid visa.

The following items are required for the project.

On the other hand, she enjoys playing video games with me.

I ran into my old friend the other day.