阅读下面短文，从所给单词中选出适当单词，并用其正确的语言形式填在标有题号的空白处，使语意通顺完整。(每空一词，每个单词只能使用一次)

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One day, when Bill was    小题1:   home from school, he heard a noise from the bushes（灌木）.He went over to see   小题2:   it was. Behind a bush, he 小题3:  a black dog. Bill went back home as soon as he   小题4:   with the dog and showed her to his parents. Bill's dad found that the dog had a broken leg,    小题5:   they brought the dog to a doctor for animals by car. On the    小题6:   Bill's parents decided that Bill could keep the dog   小题7: they couldn't find the owner.
When they arrived, the doctor checked the dog. He told Bill that it   小题8:  going to have babies! The next day, Bill   小题9:   up signs（牌子）like “FOUND DOG BLACK” around his neighborhood. He  小题10:    wrote his family's phone number    小题11:   the signs.
Two days   小题12:   , Bill got a call   小题13:   the owner of the dog. The owner thanked Bill. When he came to pick up his dog, he said Bill could have    小题14: of the babies. Bill was very happy! Finally Bill got a baby dog from the owner. He   小题15:   him Rosco and liked him very much.