He is reading a book about historical northern Korea.

He is a master of kung fu.

Genghis Khan was the founder of the Mongol Empire, and under his rule, the empire built its largest territory.

My mother has been suffering from temporomandibular joint dysfunction for many years.

Caseous necrosis was found in his lungs.

This cauliflower is fresh and very delicious.

His new car is olive colored.

We must strive to protect the natural environment.

It's my habit to read the evening paper every day.

He conveyed her words using reported speech.