I should have regretted this mistake.

His figure suddenly appears.

The population of this town is increasing year by year.

I finished reading this book a week ago.

I like studying Chinese literature.

Kanbun is my best friend.

My favorite wind instrument is the clarinet.

His words were filled with a flood of emotions.

This interferometer is very useful for measuring the wavelength of light.

I put a new can opener in the kitchen drawer.