The inside guard opened the door to let them in.
The guard at the door opened it and turned to look out.
When they reached the place, a guard opened the door; inside sat another.
And the guards didn't open the car with the dead man in it.
One guard opened the door for them, and they entered.
The guard opened a door and they stepped into the open.
She walked to the door; the guard opened it for her.
The guard leaned through an open window and opened fire.
As she came out, the guard was opening the other cell door.
The guard turned, opened the door, and yelled something inside.