He is working as the U.S. ambassador stationed in Japan.

Hinatama is my best friend.

He feels it takes time to acquire new skills, but Rome wasn't built in a day.

The thirty-first day is my birthday.

We have our wedding on the twenty-first day of the month.

His day is always busy.

My keys are inside the house.

He is quite a good cook.

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

He continued to write that report all night.