He helps his mother with housework.（同义句）
问题描述：
He helps his mother with housework.（同义句）
答
He helps his mother with housework.他帮助他的妈妈做家务
He do the housework with his mother.他和他的妈妈一起做家务
答
同义句是：He assists his mother with housework/He helps his mother do housework/He assists his mother in doing housework