scratching in a sentence

Examples

1. A . This one has the top experts scratching their heads.
2. Beijing's mixed signals have left foreigners scratching their heads.
3. There's plenty of head scratching going on in Philadelphia.
4. Taylor said, scratching his salt-and-pepper beard.
5. Piazza, scratching his head : No . And thank goodness.
6. Lisa said, scratching under Aibo's chin and cooing.
7. Even wiping a coin with a soft cloth may cause scratching.
8. "We're just scratching the surface,"
9. Or perhaps you left scratching your head at the whole thing.
10. "Didn't you hear her scratching ?"