1.   Are you sure the dog has fleas?

2.   Dogs have a highly developed sense of smell.

3.   Dogs have a very keen sense of smell.

4.   Dogs have excellent hearing.

5.   Our dog had six puppies while we were away on vacation.

6.   Our dog has a very good nose, you know.

7.   The dog has part of his left ear missing.

8.   The dog has short pointy ears.

9.   The vet asked how many litters the dog had had.

10.   That dog has a good nose.