What happened,Tom?---I lost my key __ the door.

What happened,Tom?---I lost my key __ the door. what has happened?I __ (lose) my key and can't open the door Yesterday I lost my key to the door,so I went into my house_ He lost the key ____ the door he lost his key t----- the door. Tom can't get into the room because he __(lost)the key to th I've lost the key to the door of the room.是什么意思,很急 sorry,I can't open the door,for I__the key to it,为什么答案是lost, What did you do with your car?I lost my key,so I have to( )i i must have lost my key~ Sorry,I can’t open the door,for I the key to it.A.lost B.los this is the key __the door,don't lost it