根据句意和首字母提示补全单词,使句子完整.

根据句意和首字母提示补全单词,使句子完整.
1.When we f_____water,it will change into ice.
2.About two thirds of the earth is c_______with water.
3.Water is v______,like liquid gold.
4.When you agree with someone,you will n_______your head.
5.The s______in the town smells bad.