根据短文内容、判断句子正误。

Mr. and Mrs. Smith come from Australia. Now they live in Beijing. The Smiths don't like to stay at home on weekends. They usually go to their friends'homes and they have lots of friends in China.

Mr. and Mrs. Smith have a son and a daughter.They are Peter and Julie.Peter is in Grade(年级)Eight and Julie is in Grade Seven.The children usually go to school in their father's car.

But today Mr. Smith has to wash his car. so he tells his children to walk to school.Then Peter and Julie have to go to school on foot.The school is a little(一点儿)far from their home. It takes them 35 minutes to get there. When Peter and Julie get to school,they are very tired(疲惫的).But they think it's good for their health to go to school on foot.