Koalo bears live in trees,为什么用in

Koalo bears live in trees,为什么用in do polar bears live in africa? Koala bears live in Australia是什么意思 Bears usually live in f_ and mountains Koala bears live ___ Australia.in on of The bears live in the zoo.（改为否定句） 用 the world,many countries ,live,bears,in造句 the/world/bears/in/many/over/all/countries/live这个怎么连句子, 用 the world,many countries ,live,bears,in造句一会儿要用的！ where do bears live a.in the sea b.in a desertc.in a forestd.on the prairie （ ）do the koala bears live? American speak ________. Canadian speak____and____. Japan speak（）.Gemany speak ()France speak ()Lions only live in()Polar bears live in the() 英语翻译Black bears can live as long as thirty years in the wild,and even longer in game preserves set aside for them. 英语翻译Polar bears live in the Arctic.They do not stay in one place.They travel across the snow and pack ice looking for food.Sometimes they swim far out to sea.Polar bears are the largest bears in the world.Adults weigh 650 to 1100 pounds (295 连词成句（英语） 1,；to zoo could tell you me the the?2；polar bears in live the arctic. （ ）live only in China.They are cute and look like bears.由6个字母组成,第3个是n . live In play in live,live in