The new school is scheduled to open next year.

He opened a new school for the local children.

He breathed in fresh air from the opening.

He took a deep breath and slowly opened his mouth to speak.

The opening of the port in this city brought about economic development.

The new airport has opened.

Oceanic trenches are the deepest parts of the earth.

He operated the spaceship using the mysterious ray.

He is a person who keeps promises.

I will leave in ten minutes.