In astronomy, it is believed that quasars exist in the center of very distant galaxies.

His room is always in a terrible state.

I bought a new coat at the winter sale.

I need to remember, so I don't forget his birthday.

My smartphone's battery has run out, so I need to charge it immediately.

My cell phone battery is dead, so I need to charge it.

I bought new clothes at the summer sale.

We dance at the dancehall every weekend.

A wallaby is a small kangaroo native to Australia.

He looked very happy.