Koalo bears live in trees,为什么用in

英语翻译koala bears live in australia.they live in trees.ther sl 用 the world,many countries ,live,bears,in造句 do polar bears live in africa? Koala bears live in Australia是什么意思 the/world/bears/in/many/over/all/countries/live Koala bears live ___ Australia.in on of The bears live in the zoo.（改为否定句） 英语翻译　　Birds live in trees.Squirrels live in trees.But do you 英语翻译Polar bears live in the Arctic.They do not stay in one p 英语翻译Black bears can live as long as thirty years in the wild （ ）live only in China.They are cute and look like bears. 英语~~~~~翻译英语Salty Healthy Fresh TastyKoaia bears live in Aust