用括号内所给单词的适当形式填空。

1. Look at the _____ on the book, they're mine. (photo)

2. I have a new classmate, she's an _____ girl. (America)

3. Does your English teacher like to tell you about _____ weekends? (she)

4. Nancy's classroom is on the _____ floor in this building. (one)

5. My mother and aunt like to go _____ on Sunday afternoon. (shop)