Once harm is done to the environment,it takes years to have
Once harm is done to the environment,it takes years to have
Once harm ( )to the environment,it takes years to have the s
once harm____(do)to the environment,it takes years to have t
四道英语句型转换,1.What you have done does harm to the environment.W
What harm has human beings done to the environment?
lt is harm to the environment有什么错么?
waste gas is _____(harm) to the environment
Once harm___,it takes many years to have thescar cured ,even
Have you done ____ to improve the environment?
You have done something useful to i( ) the environment
It is time to change the environment
( )have people done to their environment?