Unit 4 My Family Lesson 2Unit 4 My Family Lesson 2课件课件句型句型A: Is she you aunt?B:Yes, she is. She is beautiful.A: Is he your brother?B: No, he isn’t. He is my cousin.A: Is she you aunt?B:Yes, she is. She is beautiful.A: Is he your brother?B: No, he isn’t. He is my cousin....