Lets doA:Whats this?B:Its _.A:Lets _ _.a notebookput your notebook under your bagA:Whats this?B:Its _.a pencilA:Lets _ _.put your pencil in your deskA:Whats this?B:Its _.a pencil-caseA:Lets _ _.put your pencil-case on your chairA:Whats this?B:Its _.an eraserA:Lets _ _.put your eraser near your pencil-caseA:Whats this?B:Its _.an English bookA:Lets _ _.put your English book on your headput your notebook under your bagput your pencil in your deskRepeat the phrases.put your pencil-case on your chairput your English book on your headput your eraser near your pencil-case看图写短语：看图写短语：_
