He got up and left, leaving his office door open.

The same kind as the one on his office door.

One of them got up and moved to the office door.

I stopped at the office door with the key in my hand.

No one was to come through his private office door for any reason.

I guess he saw the light moving under your office door.

When the office door opened suddenly I knew the game was up.

I heard him get up and close his office door.

All I have to do is turn the key in the office door.

He said something to the two guys who'd come with him, and they stood against the wall on either side of my office door.