My keys are inside the house.

He is quite a good cook.

I think his Japanese has improved quite a bit, hasn't it?

I am busy with work during the daytime.

This phenomenon occurs cyclically.

The place of articulation is a very important concept in phonetics.

The potential energy of this ball is proportional to its height.

His usual location is the seat at the very back of the library.

Mr. Doujou is my best friend.

He looked up at the lofty palace and let out a gasp of surprise.