Water is the "lifeblood" of our earth.Like air and sunshine,

Water is the "lifeblood" of our earth.Like air and sunshine,it is very important ()living things.Without water,there can be ()life on the earth.All animals and plants need water.Man also needs water.We need water to drink,to cook and to clean ().It even() the greater part of our bodies.
Water is almost everywhere.Even in the()places in the world,there is water in the air.However,we cannot drink seawater but fresh water.
To make things even(),people often()to keep the water clean.They throw rubbish into rivers,lakes or seas.So not all the fresh water is () for us to drink.We're short()water.Something must be() to stop this.
1.for 2.to 3.of 4.towards
1.none 2.not 3.much 4.no
1.hinself 2.our 3.us 4.ourselves
1.made of 2.make 3.makes up 4.made in
1.driest 2.wetter 3.drier 4.beautiful
1.best 2.worse 3.worst 4.better
1.decide 2.try 3.fail 4.take
1.clean enouth 2.enouth clean 3.enouth good 4.dirty enouth
1.for 2.in 3.at 4.of
1.do 2.did 3.doing 4.done