His opinion is our litmus test.

There is a mock exam next week.

I have an oral examination tomorrow.

He passed the graduation examination.

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

A drop of water fell from the cup.

This sunshade is useful for blocking the strong sunlight.

I take a walk in the park every day.

I go to the gym three times a day.

It's wonderful to see the sun rise.