This is a photo of a family. The grandmother ’ s name is Harry Smith. The grandfather ’ s name is Jean Smith. They are very old. They are Americans. The father ’ s name is Lake Smith. The mother ’ s name is Kate Smith. They have a son of thirteen and a daughter of fifteen. The son ’ s name is John Smith and the daughter ’ s name is Mary Smith. They are students of No.12 Junior High School. Kate is a teacher of the same school. Lake is a doctor. It ’ s a very good family. 根据短文内容,完成句子。