21.   If the disease is severe, it is advisable to give parenteral iron and to ensure that the dog has a protein-rich-diet.

22.   It means dogs have to share kennels.

23.   The dogs have to be very bright and able to recognise all the sounds.

24.   The dog had a metallic collar which could be traced by a hand-held detector, operated by the men on the surface.

25.   Guess what the dog had?

26.   The two dogs had great fun.

27.   That dog had the microphone in his mouth.

28.   Whereas a dog might have a slightly painful leg and it will limp like hell.

29.   Had a dog on it.

30.   Although the dog had a collar, it had obviously not eaten in a long time.