题目内容：

阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

Dogs are 1.very popular pet. Most of them just live with their families. But some dogs have very special jobs to do. A group of dogs, 2. (know) as “Therapy Dogs”, are family pets with special training, 3.allows them to go into public buildings and comfort people in need. The dogs 4.(train) to be calm and quiet. Loud noises and unfamiliar places don’t frighten them. They enjoy spending time with people.

Some therapy dogs go into places, such as hospitals and nursing homes. When the dogs visit the patients, the patients are cheered up. They have fun 5.(pet) the dogs and look forward to 6.(they) visits. The dogs help to make their day. Therapy dogs can improve people’s health, as well. Studies show that when people pet animals, their blood 7.(press) and heart rates go down. They are.8.(calm) and their mood improves.

Other therapy dogs work in schools and libraries. They not only serve 9. warm and caring friends to children, but they also do more. In one town in California, therapy dogs have become children’s reading buddies. The dogs make a great audience. 10.the children look forward to is reading to the dogs, and the dogs love the attention.