Câu 1:

1.We recycle waste paper and scrap old metal.(hoặc We scrap old metal and recycle waste paper.)

2.We should not cut down trees and burn the forest.

3.Poisionous gases from car are polluting the air in big cities.

4.When you see a dripping faucet,you turn it off.

5.Don't leave your trash here!Please put it in a trash.

Câu 2:

1.How many eggs does his chickens produce?

2.Why are we cutting down the forests?

3.What are the things that man is destroying?

THE END.

Câu 1:

1.We recycle waste paper and scrap old metal.(hoặc We scrap old metal and recycle waste paper.)

2.We should not cut down trees and burn the forest.

3.Poisionous gases from car are polluting air in the big cities.

4.When you see a dripping faucet,you turn it off.

5.Don't leave your trash here!Please put it in a trash.

Câu 2:

1.How many eggs does his chickens produce?

2.Why are we cutting down the forests?

3.What are the things that man is destroying?