His voice droned on, so she knew he wasn't paying much attention to her work.
And finally, at the third door, they heard a voice droning quietly.
She heard the voice droning on, but her attention wasn't drawn to the stage.
Then I heard a voice droning away in the courtroom.
He stumbled down the hall and the voice droned on behind him.
He felt too impatient to listen; the voice droned on.
Time passed, and his voice droned on in the intense darkness.
His voice droned on like that of a guide doing a conducted tour.
As the beautiful voice droned on, Burden did his best to keep awake.
The next voice droned so slowly that he gave up almost at once.