In the past, many rivers were seriously, but now they are cleaned up. (污染)
Rubbish (separate) into groups in many other cities now, following the practice in Shanghai.
Would you please tell me something about ?
OK. My name is Simon. I am studying at Sunshine Middle School.
Where's Sam? I can't find him anywhere.
Oh, he has two weeks for a vacation.
I like to eat pizza and sweet food. I seldom have vegetables.
Your eating are not so good. You need to change them.
We can't throw used batteries away. , they should be collected for special treatment.