91.  Opening the door, Old Chao seemed to have forgotten his irritation.

92.  Research on genes should open the door to exciting new medical treatments.

93.  Roman stopped the car and climbed out, came around to open her door.

94.  She knocked and opened the door and saw Patrick asleep in his wing chair.

95.  She opened the door a crack and peeped into the room.

96.  She opened the door and looked furtively down the hall.

97.  She opened the door and took a quick peek inside.