people should stop _______the environment.(pollute)
people should stop _______the environment.(pollute)
People should stop_____the environment.(pollute)
Sometimes people pollute the environment.
I think people should stop ( ) trees,or the environment will
Sometimes people pollute the environment.划线提问
People should spare no efforts to protect the environment.
we must stop-_____(pollute) our earth
people should stop cutting down the forest.为什么不是forests
We should stop people from" "(cut)down trees.
we should stop people ______ animals in danger .
We should stop people from cuts down trees.为什么cut
What should be done to stop young people from smoking?