This experiment is conducted in a vacuum.

He found a large hollow in the mountain.

There is a small gap in the wall.

His strong point is mathematics.

I'm hungry and I want to eat something.

Because of his hunger, he hurried his meal.

This page is still blank.

There are still blanks in this form.

The air conditioning in this room is very efficient.

The doctor told him that there was fluid accumulating in his thoracic cavity.