Many people think it is unnecessary to keep zoos.Animals should live ina more()(nature)environmentMany people think it is unnecessary to keep zoos.Animals should live in a more()(nature)environment thanin a zoo
问题描述：
Many people think it is unnecessary to keep zoos.Animals should live ina more()(nature)environment
Many people think it is unnecessary to keep zoos.Animals should live in a more()(nature)environment thanin a zoo
答
填natural
答
natural 形容词‘ 自然界的’