The harbor is bustling with activity as ships come and go.

The crowd was in a panic.

The steak was so tender that it practically melted in my mouth.

She is studying psychological theories.

I have an appointment with the doctor tomorrow.

The internet provides us with a wealth of information.

The weather today is fair.

I use a computer every day.

She speaks English well.

I want to contribute to the charity organization.

Einstein's theories contributed greatly to modern science.