Its Monday morning.Mrs.Li,Li Ming,Jenny and Danny go to Beijing today.They arrive at the train station.Danny runs to the train.run 跑walk 走sit 坐stand 站sit down 坐下stand up 站起来sing 唱dance 跳舞 jump 跳Please watch the film:要求别人做某事,要说:Please _.告诉别人不能做某事,要说:Please dont _.Please dont sit down.Please stand up.Please dont run.Please walk.Please dont sing.Please read.Please dont stand up.Please sit down.Please dont sing.Please dance.a.Dont go straight.b.Dont turn left.c.Dont ride a bike.d.Dont swim.e.Dont eat or drink.f.Dont walk on the grass.