Sometimes people pollute the environment.划线提问
Sometimes people pollute the environment.划线提问
Sometimes people pollute the environment.
People should stop_____the environment.(pollute)
people should stop _______the environment.(pollute)
We mustn't use the things ____(pollute) the environment.
people must _keep the environment clean_ (提问)
The student sometimes go to school by bus.对划线部分sometimes提问
l have read the book on our environment.(对划线部分提问,划on our env
I have read the book on our environment.(对划线部分提问)
pollute the
I hope that peopie will not pollute our environment in the f
We sometimes go to the park.(the oark.划线提问)