It was obvious that the question had been playing on her mind.

The possible consequences were far reaching and played heavily on my mind.

Cos it had been playing on her mind for weeks.

He'd wondered countless times, ever since that first call it had played on his mind.

I thought a long day in the sun must be playing tricks on my mind.

When things happen the way they did to us in the first half, it plays on your mind.

"That really played on my mind for a while," Houston said.

This played heavily on his mind as we rode to town.

The third opportunity provided the clearest sign that the record was playing on his mind.

The extraordinary picture sticks with me, one that will always play on my mind.