They (referring to women or girls) are my best friends.

She talked about her worries to her friend.

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

He passed the graduation examination.

We will conduct a practical test of the new product next week.

There is a mock exam next week.

He passed the bar examination.

I have an oral examination tomorrow.

His opinion is our litmus test.

I am studying for the Japanese Language Proficiency Test next year.