He always boasts, but in reality, he does nothing.

He has a habit of always boasting.

This lime sulphur is very effective in preventing pests and diseases in fruit trees.

My friend came from Congo-Brazzaville.

I have been to Congo-Kinshasa.

Burgundy wine is famous worldwide.

I live in the city of Montgomery.

I do laundry using synthetic detergent.

I learned Pythagoras' theorem at school.

He participated in the Olympics as a pentathlon athlete.