She smiled at his words, then her face took on a look of sadness.

Her face took on a look that Crystal couldn't remember seeing there before.

Eyes closed, her face took on a look of concentration.

He believed her, for his face took on a look of concern.

But then his face took on a look of concern, and he spoke very quietly.

For the first time, the Director's face took on a small smile.

The Doctor appeared, and his face took on a soft expression.

His long face took on a look of deep concern.

Bull's face took on a worried look for the moment.

For a moment his young face took on a marked expression.