Exercise of Unit 11 Water 1. Fill in the blanks: 参考词汇(参考词汇(grow, wash, sea, tap, put out, rain) Water Water comes from the _, the _ and the _. We use water to _ our hands.Firemen use water to _ fires. Farmers use water to _ crops. Water is very useful . 2. Try your best to finish it: Water is very useful. We should save water. I use water to _. My father uses water _. My mother _. Cooks _. _. _.