We shuold collect some rubbish ____the environment .A.to hel
We shuold collect some rubbish ____the environment .A.to hel
-We should collect some rubbish _____ the environment.
we shuold use ____plastic bags to help the environment.let:'
We should not throw the rubbish ( ) to protect environment
There are some tractors _____(collect)the rubbish.
we must take some measures to prevent the environment being
we must put rubbish bins and keep the environment
英译汉:The dustmen collect rubbish once a week.
Look!there is a nice girl______(collect)rubbish outside the
We shuold buy our daughter a computer in ___it can help to i
We found___necessary to protect the environment.A.it B.this
We think_____everyone's duty to protect the environment.A.th