i don't have it 和 i haven't it 有何区别?回答我没吃早饭用哪个？

i don't have it 和 i haven't it 有何区别?回答我没吃早饭用哪个？
i don't have it 和 i haven't it 有何区别?
回答我没吃早饭用哪个？

i don't have it 和 i haven't it 有何区别?回答我没吃早饭用哪个？
如果你要表达"我没有这个"的话
I haven't it 是不对的,不能加it,可以加别的代词,如any
只能用i don't have it或者I haven't got it
回答我没吃早饭就说No,I haven't,一定不能加it
或者完整的说I haven't eaten(或者had,看别人怎么问) my breakfast