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I have a good family. There are four people in my family. They are my father, my mother, my sister and I. My father is 40. He is a Chinese teacher. My mother is 3（8）She is an English teacher. They work in different schools. My sister’s name is Li Fang. She is ten. We are in the same school, but in different classes and grades. We have a nice picture of our family. It’s on the wall. Look! Our father and mother are in the chair, and we two stand behind them.
根据短文内容，判断正误。（对的T，错的F）
（1）My sister and I are at school.
（2）My sister and I are twins.
（3）Li Fang is in Class Three, Grade One. I am in Class Three, Grade Two.
（4）My father and mother are in different schools, they are English teachers.
（5）In the picture, they stand behind the door.