Unit 4 Is this your pen? Section A 课件

课件11张PPT。Unit 4 Is this your pen?What’s this?penpencilbookbagWhat’s missing?penpencilbookbagIs this your eraser?Is this your ruler?Is this your desk?What’s this?rulerWhat’s this?deskWhat’s this?eraserIs this your book?No,it isn't.Is this your pen?Yes ,it is .