The population is increasing rapidly.

I think yesterday's test was more difficult than ever.

He went out to sea early in the morning to do longline fishing.

The wind is blowing strongly.

I drove away the mosquitoes with a flyswatter.

I drove away the flies with a flyswatter.

This coffee is still warm.

He was melting iron using a bellows in an ancient blacksmith's shop.

When I opened the window, a single blast of wind came into the room.

He was surprised to hear the news.