He often watches sexual comedy movies.

He became a priest at a young age.

I saw a heron in the park.

The lawyer argued the case for hours.

The Yi were an ancient tribe in eastern China.

This mutetrahedron plays a very important role in the world of mathematics.

He is an expert in astrophysics.

He was standing behind me.

I borrowed a book from the library.

It's time for dinner.