We are destroying the Earth. The seas and rivers are (1)......... dirty to swim in. There (2)............ too smoke in the air in many cities in the world, we are cutting (3)...........too many trees. We (4) ............ burning the forests. We are also destroying (5)............ of plants and (6)......... . Many areas(7)........... Earth are wasteland. Farmers in many parts of the world can not (8) ........... enough to eat. In some countries (9).......... is too little rice. The Earth is in (10).......... . Save the Earth.