The SI system is a standard unit system used worldwide.

I don't really like carbonated drinks.

My father went to Tokyo on a solo assignment.

My father was transferred far away from home, and was separated from his family.

He likes to write short stories.

We made a plan to explore the unexplored areas of Africa.

There are many words in English that are the same in singular and plural forms.

The pointed end of this pencil is too sharp.

He works in a coal mine.

Let's compare the long and short of this essay.