根据汉语意思完成英语句子，每个空格填一个单词。每天运动一小时，幸福生活一辈子。
__________ _________ an hour every day, and you’ll be happy all your life.千里之行，始于足下。
A journey always__________ _________ the first step.在公交车上，孩子们乐意把座位让给老人。
On the bus, children are_______________________________ their seats to the old. 中国正进入老龄化社会，越来越多的老年人需要照顾。
China is entering a society of senior citizens, more and __________ old men will __________ __________ care of.