单句改错 now the young man regretted waste so much time when he was at school,
问题描述：
单句改错 now the young man regretted waste so much time when he was at school,
he is very busy write his papers,
they have decided visiting the palace museum
let's get down to do work
walk in the morning dose good to our health
答
now the young man regretted wasting so much time when he was at school,he is very busy writing his papers,they have decided to visite the palace museumlet's get down to workwalk in the morning is good...