We should not throw the rubbish ( ) to protect environment
We should not throw the rubbish ( ) to protect environment
to throw away less rubbish is ——(protect) the environment
What should we do to protect the environment
we should do something good to protect the environment from
should we restrict development to protect the environment?辩论
Everyone should try to protect the environment.
We should try to protect the environment同义句 We should()()()t
-We should collect some rubbish _____ the environment.
we should do everything we can to protect the environment.这是
We found [ ] necessay to protect the environment.
we should do sth to protect the environment,to 可以省略吗
we should do what we can protect the environment