1.   He became conscious of her scrutiny, and when she half-turned as if to look herself, his colour rose.

2.   She turned to stare at him and saw that he was smiling - a twisted smile that made her colour rise quickly.

3.   He seemed to be scrutinising her, and she felt her colour rise.

4.   Juliet sat and listened to him, and the warm colour rose in her cheeks as she understood what he was saying.

5.   She said nothing, but her colour rose.

6.   She turned to stare at him and saw that he was smiling -- a twisted smile that made her colour rise quickly.