Unit 1 There are only nineteen crayons,北门小学 丁宝霞,New words,crayon 蜡笔,there are crayons on the desk,give out 分发,Please give out the books,floor 地板,There is sofa on the floor,Ask and answers1.What did Ms. Smart buy yesterday ?She bought some crayons yesterday. 2.How many crayons did Ms Smart buy? She bought twenty crayons. 3.How many children are there in the class? There are twenty children in the class,HomeworkDraw a picture like this and retell it,thank you,