【正文】
Unit 2 This is my sister. Section A Period 2 (3a3c) That is an orange. This is a pen. These are rulers. These are pens. These are keys. Those are oranges. Those are jackets. Those are quilts. grandfather This is . my grandfather grandmother This is . my grandmother grandparents grandfather grandmother These are my grandparents . This is my grandfather. This is my grandmother. Talk about the family photo. This is my father. This is my mother. These are my parents. I’m Mary. This is my grandfather. This is my grandmother. These are my grandparents. Gramm