填空题
You want to know what the safest place for children 77.______ is in the car? The experts say the back seat is the safest for 78.______ them. The back seat is farthest away off the force of a head- 79.______ on collision(迎头撞击), which can lead serious injuries. 80.______ If your child is below 8 and weighs no more than 85 81.______ pounds, it is necessarily to fit your car with a safety seat.82.______ Moreover, the safety seat must be held in place of on the 83.______ car's back seat. If your child do need your attention while 84.______ you driving, don't look back with only one hand on the 85.______ wheel. You'd better stop the car. 86.______