There is some one ( )the door.

There is some one ( )the door. there is a knock at the door.it is the second time that some There are some shoes（ ）the door There is (____) at the door.She is waiting for you.1.some on 有人在大声的敲门.some one is knocking—— —— the door is there a key to the door there is a door ( )the wall Look There is a cat ( ) the door There is a room ( ) the door. There is a football 单词 the door. There is a boy ( )at the door. There is broom b() the door.