1.   A Glaxo unit bought the formula to use on pet cats.

2.   For older people a pet cat can be a very good companion.

3.   It was only as my sister reopened the front door to let out her pet cat that I was noticed.

4.   Some cat manuals solemnly instruct their readers in how to take their pet cats for a walk.

5.   The village cat owner sets off from home and finds the pet cat tagging along.

6.   This acoustic ability of pet cats explains why they sometimes appear to have supernatural powers.

7.   It was purring, like a pet cat.