He became the king of that country.

The ancient Korean king greatly developed the culture of his time.

The king lives in the castle.

Pluto is a dwarf planet located at the outermost part of the solar system.

He always takes an arrogant attitude.

I can't stand his arrogant attitude.

Oh, if that's the case, it's fine.

He started running to chase the criminal.

He is studying about the ancient royal family.

Let's discuss this issue tomorrow.