The Earth is a wonderful place. There are many things on it like mountains, fields and rivers. However, today there 1 a lot of pollution on Earth.
Air pollution is dirty air 2 cars and factories. This is very dangerous to people and animals. It can hurt 3 lungs (肺).Land pollution is very bad for plants and animals, 4 . Plants need good soil to grow. We should keep the land 5 .
Water pollution is harmful (有害的) to fish and sea animals. They 6 eat rubbish and die. 7 animals can be healthy in dirty water. Noise is also a kind of pollution, 8 noisy sounds make people tired and sick.
The Earth is our home, and it's important 9 it. Let's do our best and stop 10 the Earth!
