Sorry,I can't open the door,for I ( ) the key to it.

Sorry,I can't open the door,for I ( ) the key to it. sorry,I can't open the door,for I__the key to it,为什么答案是lost, Sorry,I can’t open the door,for I the key to it.A.lost B.los I can't open the door,for I___the key to it 英语时态的用法Sorry,I can't open the door ,for I _the key to itA lo I'm sorry I can't go in because Ilost the key to the door I can't open the door with this key.Why not( )it with anothe I can't open the door because I (leave) the key in the offic The door is open.Who ____(open)it?Sorry,I dont't know.为什么? The door is open.Who has opened(open)it?Sorry,I don't know.为 what has happened?I __ (lose) my key and can't open the door can I have the key to the front door,please?I can't get home