We moved forward together and I closed the inner door.
Following, I saw that the inner door was also open.
He got to his feet and went to the inner door.
The man went right by and opened the inner door with a key.
He thought me over for a moment, then went out by the inner door.
The inner door opened and a woman walked in from the next room.
He went out of the room quickly, by the inner door, without looking back.
Then she walked on and stopped at the inner door.
An inner door was opened, and a head put in.
An inner door at the far end of the room opened.