He accidentally broke the glass.

His ophthalmologist found an abnormality in the vitreous body.

The quality of the wood in this house is very good.

The price of this house changes depending on the type of material.

What is in this box?

This zoo is putting a lot of effort into the protection of endangered species.

He did his best to protect me from danger.

What is this box used for?

My keys are inside the house.

He is quite a good cook.