water
                    - As we know, water is very important ______ us. [ ]
 - We can’t live air or water.[ ]
 - I’d like a little water_____some sugar in it.[ ]
 - We can’t live ______ water. [ ]
 - We can’t liveair or water.[ ]
 - We can get fresh water from rain, from rivers, or from _______ the ground. [ ]
 - Water is very important _____ all living things. We must _____every drop of water.[ ]
 - Drinking water in summer _____ your health.[ ]
 - I am afraid of water. I go swimming in the river.
 - Water is much more precious than electricity, for the water for drinking is__________.