Water is the life of our earth. It’s n_____for us. It makes up the l_____ part of the human body.
It covers most parts of the earth. It’s in lakes, rivers, seas and oceans. We can swim in lakes or rivers. I think it’s more i___ than other sports in summer, It can give us f__.
There are t___ of fishes in seas and oceans. Whales live in oceans. They are the largest and heaviest animals in the world. But now they are in d__.Because the ocean water is becoming dirtier.
Water is so important to all living things. W____ water, there can be n___life on earth. So we must save every drop of water.
