5．
阅读短文，根据短文内容填空。
Ms Guo: Where does water come from?
Joe: It comes from the sea.
Alice: It comes from the rain.
Peter: It comes from the tap too.
Ms Guo: All of you are right. How do we use water?
Jill: We use water to wash our hands. We use water to
wash vegetables and clothes too.
Alice: Farmers use water to grow crops. Firemen use
water to put out fires.
Ms Guo: Very good. Water is very useful.
