Unit 4 Shopping Day,Lesson 1,Warm-up,Lets sing,Lead-in,What do you see in the picture,New words,Presentation,exercise book,New words,Presentation,a box of crayons,New words,pencil sharpener,Presentation,New words,pencil box,Presentation,New words,a pair of scissors,Presentation,Practice,Whats missing,exercise book,a box of crayons,a pencil sharpener,a pencil box,a pair of scissors,Presentation,Can I help you,Yes, please. I want to buy a pencil,Presentation,Can I help you,Yes, please. I want to b