（David's family
问题描述：
（David's family
答
有什么要求吗?没有David have a very happy family.There are four people in his family.his grand mom,father mother and he.his grand mom is sixty years old.his father is thirty eight years old,and he is a dentist.his mother is thirty seven years old,she is a teacher in No.9 middle school.David is ten years old.He is in No.1 primary school.