Her mind kept turning over something the old lady had said.

I looked around the room again but my mind kept coming back to her.

As he moved, his mind kept track of the passing time.

My mind kept trying to find words to describe what it was.

"I've half a mind to leave them all behind and just keep going."

His mind raced but kept coming back to the same point.

Her mind kept thinking of ways to get word to someone about where she was.

My mind kept running over what might have happened if she had believed in me completely.

His mind kept going back to a conversation he had the day before.

She would live in Chicago, her mind kept saying to itself.