用第三人称形容词性物主代词it和名词性物主代词its造句
问题描述：
用第三人称形容词性物主代词it和名词性物主代词its造句
还有复数our ours、their theirs!
thank you*__*
答
Its wings can help it fly.
Our teachers' knowledge is not ours.
Their son is not theirs in fact.