1.   The next moment she had her face under control, turning towards the door with a polite smile.

2.   Hugh Jones laughed heartily at his little joke, and Fran forced a polite smile from lips that felt strangely stiff.

3.   Virginia shifted self-consciously on the blue and yellow sofa, forcing a polite smile as Guy strolled past.

4.   She forced a polite smile instead.

5.   His polite smile did nothing to diminish the flat ultimatum in his eyes.

6.   Caroline took a deep breath, fixed a polite smile to her face, and turned to face him.

7.   Leonora gave him a polite smile as she tied her hair securely at the nape of her neck.

8.   And while he appears earnestly deferential to the wishes of those watching him, there is a whisper of smugness in that very polite smile.

9.   A hint of sadness shone through his polite smile and comforting drawl.

10.   But it was late and cold so I simply gave him a polite smile and took a vacant seat near the middle of the bus.