Unit1 This is my friend. Lesson 4 boy girl DavidBill Bill is Davids_.brother LucyLily Lucy is Lilys_.sister Jim TomPeter teacher teacher Hes a teacher. Jim TomPeter teacherfarmer farmer Hes a farmer. Jim TomPeter teacherfarmerpostman postman Hes a postman. Homework 1.Finish the exercise book. 2.Recite the dialogue. Thank you!