He is interested in the shape of the skull.

I take care of my younger brother every day.

In my school, there are physical education classes every day.

He likes to write haiku.

He is a foreigner, but he can speak Japanese fluently.

He is a music enthusiast.

There are several thousand books in this library.

He continued to work to protect his family, sacrificing his own happiness.

I was at a loss for words at her reaction.

The latest research results from NASA have been announced.