I'm sleepy, so I'll go to bed early.

He visited his grandfather's gravestone and prayed.

The passive form in Japanese is used differently from English.

He is my benefactor, he helped me in my difficult times.

We will use cadmium in this chemical experiment.

The health of the nationals is the wealth of the country.

He absorbs new information like a sponge soaking up water.

Democracy is a political system that runs the country according to the will of the people.

There are various ethnic groups in the world.

He is very interested in science.