Animals are our friends.There are many many zoos in the 1. It's good to 2 animals in zoos.Zoos have many advantages, I think.
Firstly, zoos are places for people to see 3 kinds of animals. Without zoos, most people would 4 see a real bear or tiger.
5, zoos can take good care of animals. Zoos give 6 to animals and clean them on time every day. In the wild(在野外), it is not always easy for an animal to find food. So sometimes it goes 7. But animals in zoos never go hungry.
Thirdly, people protect the animals in zoos and offer them safe places to live 8. Animals are living in zoos safely and happily. In the wild, some kinds of animals are 9 and are endangered(濒危的). But zoos give these animals a chance to live. Without zoos, there would be 10 kinds of animals in the world. People should do more things to protect animals.