閱讀理解Weallknowthat70%oftheearthiswater．Butonly1%ofitiscl...
問題詳情：閱讀理解Weallknowthat70%oftheearthiswater．Butonly1%ofitiscleanwater．Peoplecan'tlivewithoutwater．Soit'simportantforeveryonetosavewater．Herearesometipsforsavingwater．Indoors：●Turnthetapoffwhileyoua...