How many letters are in this sentence?

What is his courtesy name?

How do you read this character?

This bottle is reusable.

Who is the user of this software?

He is the most competent employee of our company.

Are you really not going to use this unused laptop?

He is an expert in paleography, and he is good at deciphering ancient handwritten documents.

I have been to Chicago.

The Paleogene period was a very important time in the history of the Earth.