most of our earth----covered by water[be]横线上填were吗

our geography teacher told us that most of the earth()water 是is还是 are our teacher told us water ___(cover)most of the earth.正确形式填空 most of our earth----covered by water[be]横线上填were吗 For most of the earth's history they have been the only form of life on our planet.为什么用for ,什么用法 Nowadays, the pollution of the Earth is more and more serious and becoming one of the most serious problems of the world. It is our duty to save our earth. How can we prevent our earth from polluting? firstly, donnot threw garbages at the places. B 跪求首字母填空:Water is the life of our earth.Water is the life of our earth.It’s n_____for us.It makes up the l_____ part of the human body.It covers most parts of the earth.It’s in lakes,rivers,seas and oceans.We can swim in lakes or riv Water covers most parts of the earth.（同义句） Most of the earth （）（）（）water. most of our classes如何翻译? About seventy per cent of our earth _____by water. 首字母:We should take c_____ of our earth carefully. 请大家帮忙做一篇英语阅读,Beneath the deep oceans that cover two-thirds of the Earth are concealed some of the most tantalizing secrets of our planet.There the crust of the Earth is thinner and the unknown mantle--the layer beneath the cru For most of us,the heat under our feet is too far away to use.The people who get heat from insidethe earth are lucky.They don't have to pay for the heat they use.求中文翻译 most of the stars are thousands of light years away form the earth Most of the stars are thousands of light years away from the earth .请翻译. ur earth our home We all live in the earth.The earth is our home.We must take care of这是什麽意思 most of them travel 40000 miles to a satellite and then back to earth.then back to earth是什么成分 stop destroying our earth most of us think our team---- (win)the footballmatch