I haven't key 和 I haven't got key!有什麼區別嗎?這兩句句子都對嗎?

題目：

I haven't key 和 I haven't got key!有什麼區別嗎?這兩句句子都對嗎?
I haven't key 和 I haven't got key!有什麼區別嗎?
這兩句句子都對嗎?
是不是i don't have key

解答：

一樓,我不明白,I haven't key !這句話,語法上正確嗎?
樓主,應該是I don't have a key.吧,我沒有鑰匙的意思.