题目内容：

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空白处填入一个适当的词或使用括号中词语的正确形式填空。

This is a photo 1. Mr Black's family.The man with glasses(眼镜)is Mr Black，the father.The 2.(woman)is the mother.They have 3. son and a daughter.The son 4.(be)behind Mr Black.5.(he)name is Jack.He is fourteen.Kate is 6.(Jack)sister.She is twelve.Jack and Kate 7.(be)in the same school，but they are in different 8.(grade)．Jack is in Grade Three 9. Kate is in Grade One.They are good 10.(student)．