Rain
Clouds (1)………………………….(form) when warm winds blow over oceans or seas and the water on top evaporates. When the clouds (2)………………………….(blow) over mountains and hills, they (3) ………………………..(cool). Then, water droplets fall as rain. The rain runs into streams and rivers and it (4)…………………………….(carry) back to the sea to all over again!