I have been to Brussels.

He is the founder of this company.

He is painting a picture using a brush.

He is a renowned political scientist who has written many important papers.

On days when the solar radiation is strong, don't forget to apply sunscreen.

The success of this project greatly depends on our flexibility.

There is Christmas in December.

There is Halloween in October.

Let's have lunch at twelve o'clock.

My new residence is near the mountain.