what have you done是什么意思

what have you done是什么意思 What have you done? what have you done today What would you have done what have you done lately? look what you have done what have you done this What Have You Done 歌词 what you have done for us.have what the shiting i have done是什么意思? what exercises have you done today? What have you done?怎么回答?