The voices grew even lower, then, when money came into the question.

The voices grew close outside the door in the long room.

I heard my voice grow hard and bitter at last.

The words came quickly, and her voice grew stronger with them.

She had realized that his voice was growing heavy with sleep.

The girl's voice grew hard, and just a touch cold.

Her voice had grown quite loud by the time she was done.

The boy's voice grew so soft she could hardly make out the words.

His voice grew even more excited, if that was possible.

"You do not speak for Russia," said the old man, his voice growing until it filled the room.