Astronomers are studying the movement of the celestial sphere.

I decided to take the morning off tomorrow.

This year was a very busy year.

Students from all over the country will participate in this contest.

This product is popular nationwide.

He gave me instruction in cooking techniques.

How much does this luggage weigh?

The battery of my smartphone has run out.

The battery of my smartphone has run out.

He was very pleased with his new toy.