I don't know how many people are coming.

Do you have something to drink?

He said nothing.

What is this, that box?

Please choose anything you want.

If you don't mind, you can use my car.

Above all, grammar is the most important in learning Japanese.

We need personnel who can handle any problem.

She talked about her worries to her friend.

She is prone to worrying, so she is always thinking about something.