Their vocal trio captivated the audience.

He ran to third base.

He entered the forest with a shotgun.

The shrapnel exploded on the battlefield, and the soldiers could not avoid it.

I have been involved in the planning of a new project.

We are actively participating in this project.

I learned about the reaction of nitrous acid in chemistry class.

This wine has sulfurous acid added to it.

He is studying the concept of the 'three talents' in ancient China.

What will you make for supper tonight?