Sonomi is my best friend.

He showed an honest attitude.

What is the imaginary part of this complex number?

I'm already used to his empty threats.

This empty room will become my new office.

We found that this equation has an imaginary root.

A day without seeing her feels like an eternity of waiting impatiently.

This univalve has beautiful colors, doesn't it?

This painting is my most precious item under heaven.

My class starts at eleven o'clock.