This room gets damp, so we need a dehumidifier.

There is a mock exam next week.

I ended up having to take a supplementary examination.

He passed the bar examination.

I have an oral examination tomorrow.

He holds the stockholder's rights of that company.

His opinion is our litmus test.

He used a litmus test paper to determine whether it was acidic or alkaline.

This painting is very valuable.

He is an infamous criminal in that area.