1.   The dog kept scratching its ear.

2.   The first rabbit stopped in a sunny patch and scratched his ear with rapid movements of his hind-leg.

3.   The dog scratched its ear.

4.   He scratched his ears.

5.   Hear son scratch his ear and shiver in his bedroom.

6.   I am dying to scratch an ear.

7.   I scratched my head, thoughtfully, and Old John scratched his ear.

8.   Most will wriggle in doggy ecstasy at a kind word from humans, and enjoy having their ears scratched.

9.   Scratch her ears, she smiles some more.

10.   Then, as the crew does a practice run of i-Cybie scratching its ear, the dog stops cold again.