1.   A blind dog is no use to a shepherd.

2.   Dogs are surprisingly agile.

3.   His dog was his constant companion.

4.   Some dogs can be vicious.

5.   The dog was eating scraps of food off the floor.

6.   The dog was in the yard gnawing on a bone.

7.   The dog was pitifully thin.

8.   The dogs next door are a real nuisance.

9.   The poor dog was practically skin and bone.

10.   The vet said the dog was grossly overweight and that it was affecting his heart.