计算．
850÷5＋579=____
丽丽在影楼拍了一套艺术照，一个月后，影楼将丽丽的艺术照片挂在了橱窗里，丽丽非常生气，影楼负责人却说：“让更多的人欣赏你的美有什么不好？”
While ____ the dog, you were careless and it got ____ and was hit by a car.
