什么马用两只脚走路呢?
----------------------------------------------------------------------------------------
奥巴马…
什么老鼠用两只脚走路呢?
----------------------------------------------------------------------------------------
米老鼠…
什么鸭子用两只脚走路呢?
----------------------------------------------------------------------------------------
唐老鸭?
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
不…是所有鸭子都用两只脚走路…