先通读下面的短文，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。 Wild animals are important to us. They live t 1 with us on the earth. If there are no animals on the earth, we will not live on, e 2 . So we should take good care of them to help the earth live a h 3 life. But some people still don't r 4 the importance of protecting them. They kill wild animals for food and something e 5 . Every day many wild animals are being killed. So far, lots of wild animals have died out. If this goes on, there will be no animals l 6 on the earth. L 7 , many people have begun to know the importance of protecting wild animals. They ask others to stop killing wild animals. Now many countries have made some l 8 to protect wild animals and to stop people from killing them. Protecting wild animals is the d 9 of each of us. We should do our best to protect them because protecting them is protecting o 10 too.