第五课时,Sing a song,We have a new schoolbag Whats in your new schoolbag? Four keys and a toy. Notebooks and storybooks, and a yellow candy,Whats in your schoolbag,Whats in your desk,I have three_,an_,a _, and a _in my desk,Whats in your desk,I have three keys,an egg,a pencil,and a notebook in my desk,Make a report,I have _in my schoolbag. I have _in my desk. I have _in my classroom,Bingo游戏,Bingo游戏,toy,notebook,desk,看图,补全对话,Whats in your desk ? I _ two _