人教 PEP 四年级上册英语 Welcome to my classroom! Work and play b o a r d Clean then board Many crayons! w i n d o ww i n d o w Clean the window doorOpen the door! windowboarddoor s s d d k k es turn on the light lightlight picture Put up the picture! windowboarddoor s s d d k k esMy classroom windowboarddoor s s d d k k esMy classroom My room
