I rapped twice on the door and walked in.

The attendant rapped twice on the trunk that he was done.

He walked to the door, rapped twice, and heard the click of the lock.

He strode forward and rapped twice on the steel door.

Then she ran to the door and rapped on it twice.

She crossed to the door and rapped on it twice, as Martina had done.

Berlis looked at him across the council room and rapped on the table twice to get his attention.

He reached a wooden shack, took one last look around, rapped twice on the door and entered.

The girl crossed to the door and rapped twice.

He rapped twice on the door and it was unlocked from the outside.