在英语中什么时候用冠词 例如：Do you often assist your mother to do the hou

在英语中什么时候用冠词 例如：Do you often assist your mother to do the hou Do you often help your mother to do the homwork这句话对不对? Do you often help your mother ____ the housework? How often do you write to your father?DO 在句中是不是助动词、无意义? Do you often help your mother with the housework?（改同义句）Do yo I can do everything what I can do to assist you to find the hou do you like your english hou do you find your english teacher Do you love your mother to go always l to sink like连词成句 Do you often help your mother at h 改错：Do you often help your mother for housework? do you often help your mother help the house 改同义句