Unit 2 Whats that?,Module 7,Pen and pencil. Pencil and pen. Pen and pencil. Say it again!,Whats this? 这是什么?,Whats that?那是什么?,Its a chair.,Its a desk.,Its a book.,Its a pencil.,Its a pen.,a schoolbag,a ball,a pen,a pencil,a book,book,pen,pencil,schoolbag,chair,desk,pencil,pen,book,schoolbag,