学进去

Pollution(污染) is a very _______ problem(问题) in the world today. In many places, people throw rubbish into _______ and rivers, so the water is very dirty. In many _______, the air is dirty. This makes people _______ and more people are going to be hurt in the future(将来). Pollution harms(伤害) _______ too. It kill(杀) many animals every year. If we do not improve (改善) the environment, pollution will _______ more animals. There is some _______ news (新闻) for us. There will be a show at school this Friday evening. All of us will think about the _______ around us. On _______, we are going to show how to protect the environment. If we _______ together, we can make the world a better place.