91.   A door opened automatically and they entered a huge control room.

92.   At last the door opened.

93.   The lift stopped in the lobby and the doors opened.

94.   As the door opened he swung his feet from off the bunk and stood.

95.   The door opened again and Peggy entered carrying a tray on which there were three drinks.

96.   Her hands stiffened on the keys as she heard the door open.

97.   The door opened and he handed in the jiffy bag.

98.   Three minutes and ten seconds later, the door opened and the jiffy bag was handed out.

99.   The door opened an inch and a yellow and brown eye looked out.

100.   I was about to knock when the door opened.