The face value of this stamp is 500 yen.

Let's eat lunch in the school cafeteria.

He is good at geometry.

He is interested in archaeology.

He was forced to drop out of school due to poor grades.

He had to drop out of school because he broke the school rules.

He has a deep interest in literature.

I studied in the library with my schoolmate.

Thanks to his thorough investigation, a new discovery was made.

His business is smooth sailing.