英语初二综合填空跪求谢谢
Wateristhe"l____blood"ofourearth.itisineverylivingthing,itisintheair.Itrunst____mountainsandvalleys.itformsl____andseas.Naturehasagreatwatersystem.Rainwaterfindsi____waytoriversandlakes.Riverswaterrunsintothesea,Atthemouthsoftherivers,f____waterj____thesaltwaterofthesea.
Hereatthem____ofariverthereareimportantplantsandanimals.Butpollutiondestroysthem.wehavetoc____ourrivers.Manh____toworkwith.nota____it