为什么there is air polluttion,water pollution and land pollution.用的是is,而There are air and water on the Earth.用的是are?

There is don't water in the poll. There is air c_____. There is air e____. There is( )air-conditioner. There is an air port. There are air and water on the Earth.air不可数,There be遵循就近原则,为什么不用is 为什么there is air polluttion,water pollution and land pollution.用的是is,而There are air and water on the Earth.用的是are? there is nothing but air in I wonder if there is fresh air. Although we cannot____ it,there is air around us为什么要用see而不是feel? _____no air and water,there would be no life in the world.A:There wasB:There were C:Is there D:Were there 应该选什么,为什么? And there is no air or water there.英语翻译, there is no air on the moon.变反意疑问句.there is no air on the moon,isn't there? There is no air or water on the moon,________? There is no life _____ (with) air or water. there is more f______ air in the country. Is there an air-conditioner in your room? There is a big closet,a new air-conditioner是什么意思