He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

Microorganisms are one of the basic forms of life.

I fine-tuned the television to make the picture clear.

He tuned in the sound of the guitar.

I studied calculus at university.

Thin clouds are floating in the sky.

Microvilli exist on the surface of cells and play a role in helping absorb substances.