In a few minutes it became clear that the sounds were becoming closer.

The sound of the first warning note was already becoming faint in my mind.

But now this mysterious sound became more pronounced, and forced a recognition.

As they walked, the sound of rushing water became louder.

The sound of the other woman's eating had become intolerable to her.

The harder he tried to listen, the fainter the sounds became.

And each day the sound of her voice became sweeter to his ears.

The sounds of the slaughter became loud in the boy's ears.

Upstairs, the sounds of argument were becoming more heated by the moment.

The closer they got, the clearer the sound of water running rapidly over rocks became.