比较规范的说法应该是 Who told you that?必须加上主语.这样表达是有点不礼貌的,你可以用一些助语,或者用其他方式来说,例如
May i ask who told you that?请问是谁跟你说的?
Would you mind telling me how did you know that?你是怎么知道的?
比较规范的说法应该是 Who told you that?必须加上主语.这样表达是有点不礼貌的,你可以用一些助语,或者用其他方式来说,例如
May i ask who told you that?请问是谁跟你说的?
Would you mind telling me how did you know that?你是怎么知道的?