tarrinbiubiubiu
help my parents (to) do housework帮助父母做家务to exercise constantly坚持锻炼身体reasonably arrangement of the time for studying合理安排学习时间
tracy07280917
help (to) do sth to 常常省略,所以是 help do housework 没有help doing sth的用法,必须要和can't 联用才可以eg: I can't help doing sth