句型转换 We should plant more trees to protect the ea
句型转换 We should plant more trees to protect the ea
We should plant more trees to make the air_____.(clean)
people plant more and more trees to protect the earth
we should plant more trees ,and..then the
We should plant more trees to make the air _____(clean). Jan
why should we plant more trees?
We should plant more trees to make our city more b( )
_____(protect)the environment,they will plant more trees alo
1.we should plant more trees to make our city _____.(green)为
We should plant more trees and _________ the wild animals li
We should plant more trees to___ the soil___flowing away.人们应
We should plant more trees on ____ side of the street .A.eit