Water polllution is getting () now.A.more seriously B.most serious C.more serious D.most seriously

Water polllution is getting () now.A.more seriously B.most serious C.more serious D.most seriously H2O is water?Is H20 water? 找 water is important What water is like还是How water is lke Which water cycle is right? why is water important?Because. The Water Is Wide 歌词 It is surrounded---------- by water let is keep the water Electricity is like water,partly. Our water is running ______. what is the water bottle how much water is there? blood is thicker than water Blood is thicker than water. there is （）water here Blood is thicker than water Water is ice`s tears!