there are air and water on the Earth.为什么要用are

there are air and water on the Earth.为什么要用are There are air and water on the Earth.There be句型有就近原则,为什么还用ar There are air and water on the Earth.air不可数,There be遵循就近原则,为 We are c__ Earth,the land,the air and the water.首字母填空,请问横线上应 There are many animals and p（ ）on the earth there are ___(tree),flowers and grass on the earth there are different plants and many animals on the Earth. There are some water and two pens on the desk. There are some water and mike on the table.改错 you are my earth air water 英语翻译There are seas,lakes and forests on the earth.There are There are（ ） and plants on the earth .注意要a开头