He played innocent by pretending he knew nothing.

We vowed to see this project through to the end.

The government decided to change the direction of its economic policy.

The underground water in this area is very clean and is used as drinking water.

He traveled around the world in search of the elixir of life.

Every morning, I sprinkle water on the flowers in my garden.

Every morning, I sprinkle water in the garden.

The water pipe is broken and water is leaking.

This river becomes brackish water where it mixes with the sea.

We should strive to protect water resources.