He thinks everything is his responsibility.

He accidentally revealed a secret in his sleep talk.

He is avoiding getting involved in a love affair.

My workplace is located in the center of Tokyo.

My job is a teacher.

His actions became public.

This mountain is made of igneous rock.

The depressor anguli oris is the muscle that lowers the corners of our mouth when we are sad.

The success of this project greatly depends on our flexibility.

There is Christmas in December.