As he was speaking the office girl called him to the telephone.
He stood about for nearly an hour before the office girl arrived.
They walked up the steps into the office, gave their names and indicated their business to the office girl.
Then the dentist's creditors became suddenly impatient, and the dentist could not pay his office rent, much less his office girl.
Your office girl will prove the best collector if you have not time to attend to it yourself.