5、blackboard28、你们正在画画吗?Areyoudrawing?29、谁正在教室里唱歌?whoissingingintheclassroom?30、他们正在哪里打篮球?Wherearetheyplayingbasketball?1、你妈妈正在做什么?What is your mother doing?2、他们正在花园里浇花They are watering flowers in the garden.3你正在哪读书呢?在教室里Whereareyoureading?Iamreadingintheclassroom4汤姆正在爬树,玛丽正在玩Tomisclimbing