He didn't reveal his identity.

Education is a universal right.

The army is preparing for the upcoming battle.

They compete against each other in the swimming competition.

Sanitary conditions in public places are important for maintaining public health.

The helpful neighbor helped me carry my groceries.

This is the latest version of the software.

I have been studying English since I was in high school.

He has conservative views on social issues.

He kept his valuable possessions in a chest.