You have to pick up the dog's excrement.

The volcano suddenly erupted.

The country has been suffering from internal strife for many years.

This problem is a piece of cake.

I can hear the sound of the drizzle hitting the window.

We decided to avoid the topic until the interest in his scandal cooled down.

When I looked out the window, fine snow was dancing.

He strongly believes in the philosophical thought, 'I think, therefore I am.'