阅读理解。
     Let's look at the picture. The boy's name is John. The girl in a white blouse (女衬衫) is his sister Rose. 
 The other one in a yellow blouse is his sister, Mary. John and his sisters are students in No.10 Middle
 School. The two sisters are in Class 3, Grade 1, and John is in Class 2, Grade 2. The man and the woman
 are their parents. Their father is a worker (工人) and their mother is a teacher. The old man and the old
  woman are John's grandfather and grandmother. They are doctors (医生). It is a happy family.
1. There are _____ people in the family.
    A. five          
    B. six            
    C. seven
2. Mary is in a _____ blouse and Rose is in a _____ one.
    A. yellow, white  
    B. white, yellow  
    C. yellow, blue
3. John's sisters are _____.
    A. in Grade 2    
    B. in the same (同样的) class      
    C. not students
4. Jack's _____ is a teacher.
    A. father                
    B. mother           
    C. grandmother
5. Jack's father is a _____.
    A. worker            
    B. teacher              
    C. doctor