My mother tongue is Japanese.

The United Nations is an organization that maintains world peace and security.

She is a wonderful nurse.

Let's play koi-koi tonight.

The activity of brain cells directly affects our thoughts and actions.

He was rushing around in confusion, not knowing what to do.

After the earthquake, people were going every which way in disorder.

The king was ruling the country.

In my school, there are national language classes every day.

The Five Grains provide very important nutrients for human health.