绝地求生辅助便宜:Birds fly ___for hundreds of miles___they reach the warm lands of Africa.

Birds fly ___for hundreds of miles___they reach the warm lands of Africa. Can birds fly? ----- Yes,() can why do birds fly south? 脑筋急转弯 Why do birds fly south? riddle:why do birds fly south for winter Some birds…. very fast in the sky when we were in the park (fly) Hun? 是什么意思？ His grandfather ___for thirty years. there is no enough ___for another desk birds and the bees