The commanding officer directs all operations.

The syrinx of birds can produce different sounds depending on the species.

He seems to have a pessimistic view of life.

He lives in Michigan.

This directory contains the contact information of all employees.

He was appointed as the deputy commanding officer.

Day after day, he was studying in the library.

We are planning to go to Tokyo the week after next.

I'm going to work, see you later.

He brought his new friend to me.