the door locks中的door怎么不加's

the door locks中的door怎么不加's door door door The bird knocks on the cage door with his ---A feather B tail C beak D wingMake sure----the door before you leaveA to lock B lock C locks D locking there-are-two-men-at-the-door.at-the-door中的at是什么意思? feel the door是什么意思 next to the door next to the door Open the door,please. clear the door S(),the door opened stand in the door open the door please,-------- ---------? keep the door ( ) ,pIease Leave the door open. leave the door对吗? Get the Door 歌词