He had been in government service for many years.

My project has finally been completed.

I like to top my pasta with cheese.

This Chinese olive tree is one of the oldest trees in our garden.

In physics, time and space are closely related.

He is the administrator of this website.

I was born and raised in the Kanto region.

In trigonometry, it is important to calculate the value of the cosecant.

I have started learning Cantonese.

He decided to stop eating unhealthy snacks between meals.