1. (2017七上·嘉兴期末) 阅读下面的短文,在空白处填入一个适当的词,或填入括号中所给单词的正确形式。
    Peter is  really interesting boy. This is his tree house. It's very cool. Look! What's that next to the desk? It's Peter's dog. (it)name is Angelina. It's a funny dog. It can(smile). There's a radio and some picture(book)on the desk.  Look at the wall.  You can see a map of America and a clock on it. Peter usually(go)to his tree house at weekends with his friends. They play games and have a good time there.