,栏目导航,C,B,C,A,C,The school library provides us with different kinds of books.,We should not throw rubbish into the river and the sea. That will pollute the water.,Dont throw away these newspapers. They are useful.,They often/usually burn things to make energy.,You should stop playing computer games. Its bad for your health.,Lots of animals like pigs and cows live on the land.,
