He was playing video games all day.

He was surrounded by his family when he was on his deathbed.

He told me the whole story of the incident.

It's my habit to go to the Jusan Mairi every year.

He has been living in this town for several decades.

What is the length and breadth of this room?

In chemistry class, I learned about the process of polymerization.

Through this chemical reaction, monomers polymerize to form polymers.

He was convicted of a serious crime.

His company made a profit of one billion yen.