He underwent a cerebrospinal fluid test.

Cerebrospinal fluid plays an important role in protecting the brain and spinal cord.

He accepted my proposal and started the project.

I take classes every day.

The jonquil is a beautiful flower that heralds the arrival of spring.

He likes to act as he pleases.

Please make a right turn at the next signal.

No way, you passed that exam!

His wallet is nowhere to be found. It's as if it has disappeared.

The police inspected the scene.