Unit 3 Is this your pencil?教学目标:知识目标:pencil book eraser box schoolbag dictionary his mine excuse thank teacher welcome能力目标:能够对物品所属进行提问你的书包吗?---_______ ________ your school bag?不,不是我的。那是他的。--- No, it _____. ______ ______.教学后记: