what has happened?I __ (lose) my key and can't open the door

what has happened?I __ (lose) my key and can't open the door What happened,Tom?---I lost my key __ the door. he can't open the door because his key was______(lose) I can't open the door because I (leave) the key in the offic Sorry,I can't open the door,for I ( ) the key to it. what kind of key can open the door sorry,I can't open the door,for I__the key to it,为什么答案是lost, I can't open the door,for I___the key to it I can't open the door with this key.Why not( )it with anothe I can’t find the key _ the lock.How can we open the door A.o I lose the key to the door. Sorry,I can’t open the door,for I the key to it.A.lost B.los