阅读理解。

        This is a photo of a family.  The father's name is Jim.   The mother's name is Sara.  The father is

  forty-five and the mother is forty-two.  Sara is an office worker and Jim is a doctor in a hospital.  They

 have a son and a daughter.  They study in No. 8 High School.  The son is in Class 7,  Grade 7. The

 daughter is a student of Class 2,  Grade 8. The son is Tony and the daughter's name is Betty.  It's a happy

  family.

1. How many people are there in the family? 

    ____________________________

2. How old is Sara? 

    ____________________________

3. What is Sara's job?

    ____________________________

4. Where does Jim work? 

    ____________________________

5. What class is Tony in? 

    ____________________________