He decided to bet on a single win.

He finished his work in a short time.

Most of the railways in this area are single track.

I have been to the province of Batangas in the Philippines.

My father works at a famous think tank.

He succeeded in developing a charcoal-powered vehicle.

This charcoal-powered vehicle is said to be environmentally friendly.

He used a metal detector to search for treasure on the beach.

They will never remarry after they divorced. Because 'once a married couple divorce, they can't get back together', as the proverb says.

The wind was so strong that my umbrella was overturned.