Biological research is essential for understanding the complexities of life.

I enjoy listening to classical music.

The production of goods has increased significantly in the past year.

Improving efficiency is crucial for success in any business.

Her smile exhibits her happiness.

The news of his sudden death came as a shock to everyone.

He admitted his weakness in public.

Can you help me locate my keys?

In case of an emergency, please dial 911.

My cough is getting worse.