A: Did you do something special today?너 오늘 뭐 특별한거 했니?B: I had dinner with my family.가족이랑 저녁 먹었어.A: Oh, wasn't it your younger sister's graduation?아... 맞다. 오늘 네 동생 졸업식하지 않았어?B: Right. Now she's a middle school student.맞아. 이제 중학생이야...