Topic 2:Tell 6 ways to prevebt pollution .Then,ask and answer the question?
1.What will you try to put in every classroom?
2.What will happen if we pollute the air?
3.What will happen to fish if the water is polluted?
4.What will you do if you want to save a lot of electricty?
1 Recycling bins
2 Causes breathing problems
3 Makes fish die
4Turn off the lights before going out