people have found new ways ___ our environment .
people have found new ways ___ our environment .
People have found some ways to get ___(drink) water from sea
Ways must be found to ___ our eyes ___in such poor condition
We ___ protect our environment.
he found to learn to adapt to the new environment
( )have people done to their environment?
as people found other ways to make them work 翻译
They have found ways to make waste water clean
英语翻译Our environment is in trouble.People and industries are
I have read a book on our environment 对划线on our environment提
what ___ ___can we do to improve our environment?
our city ___ great prograss in many ways怎么填