This is a photo of John's family. You can see his grandfather, Dale ,and his grandmother , Grace , in the first picture. In the next picture are his parents and his twin(双胞胎) brother, Bob Smith , Cindy Smith and Tom. Helen Miller and Alice Brown are in the last picture. Are they John's sisters? No, they are John's cousins. Helen, Alice and John are in the same class(同一班级)and      ▲      . They study and play together(一起学习和玩乐). Tom and John are classmates,too. Their teacher is Mr. Brown. He likes the four students.