It‘s my duty to help my mother do some housework.改为同义句

It‘s my duty to help my mother do some housework.改为同义句 my brother often helps my mother do some housework 改为同义句 I often help my mother do the housework.(改为同义句) I often help my mother do some cleaning(改为同义句） I often( )my I often help my mother do the housework 换同义句I often help my 同义句改写：1.I often help my mother do the housework.I often help It's my duty to save patients.的同义句 i always help my mother ____(do)some housework I often help my mother do some housework I must help my mother with the housework.(改为同义句) i often help my mother with housework.(改成同义句) help my mother do housework 还是help my mother do