Look!Thisismycalssroom.Some_____areinthecalssroom.Lookat_____deskoverthere.That'sthe_____desk.Thereisabookcase,too.______thebookcase,therearesome______.What'sthat?It'sround.Oh,it'sJim's______onthefloor.And______keepourpencils__

　　Look!Thisismycalssroom.Some_____areinthecalssroom.Lookat_____deskoverthere.That'sthe_____desk.Thereisabookcase,too.______thebookcase,therearesome______.What'sthat?It'sround.Oh,it'sJim's______onthefloor.And______keepourpencils______notebookinourdesks._____ourdesksweput______schoolbags.【填合适的单词的适当形式：ourbaseballteachers‘andinunderbookwedeskthat