1.Nối
1.waste                                                  a.the air with gases
2.destroy                                                b.too much coal
3.produce                                              c.too many trees
4.cut down                                             d.too much trash
5.burn                                                    e.too much water
6.pollute                                                 f.wild animals and plants
2.điền các từ sau vào chỗ trống
grow,scrap,cart,destroy,produces,waste,danger,collect,animals,plows
1.cow,buffalo,pigs are ..............................................
2.that factory .....................bicycles.
3.we should .....................empty cans and recycle them.
4.we shouldn't.................................. our time.
5 the farmer often...........................his fields in the morning.
6.we shouldn't .........................the forests.
7.they are collecting waste paper and............................metal
8.the farmer usually takes his vegetables to the market in a.........................
9mr.hai ............................potatoes in the field.
10.a lot of wild animals are in ....................because many farmers burn the forests.