Mandy and Sandy are twin sisters. They both have long blonde hair and are of the same height. They usually wear the same dresses. They look the same and study in the same middle school. Although they aren't in the same class, they have the same PE teacher, Mr Brown. It is the first PE class. Mandy and her classmates go to have the PE class. The class begins. But when Mr Brown sees her, he is very surprised and says to her, "You had my class just now. Why do you come to my class again?" Mandy is also very surprised to hear this, but she understands soon. She smiles and says, "Mr Brown, you may have made a mistake. I have a twin sister."
曼迪和桑迪是一对双胞胎姐妹。她们都留着金色长发，而且身高一样。她们通常穿同样的裙子。她们长得一样，在同一所中学上学。虽然她们不在同一个班级，但体育老师是同一个人——布朗先生。这是第一节体育课。曼迪和她的同学们去上体育课。体育课开始了。但当布朗先生看到她时，非常惊讶，对她说：“你刚才上过我的课。你怎么又来上我的课了？”曼迪听了这话也非常惊讶，但她很快就明白了。她笑着说：“布朗先生，您可能搞错了。我有一个双胞胎妹妹。”