Today pets are very common in many families, especially the rich have the time and money to look after them. Many people like to keep a kind of animal 1 a pet, such as dogs, cats, 2 and so on. And the pets are very important in some families. They think of the pets as their family members. In many 3 pets can bring love and happiness, and sometimes they also feel 4. They show their thanks in a special way. Especially the dogs, they have been humans' friends for quite a long time. A few weeks ago, a fireman saved a dog named Dobeman 5 a fire in her house. She was a mother of six babies. Then he went on 6 in the fire. The tired man sat down to rest when he 7 the fire. He saw the mother dog that he saved walking straight to him and he wanted to know 8 she was going to do. 9, she came up to him and kissed him. At first he was too surprised to do anything. But then he hugged (拥抱) her 10 at once.