when did you do和what did you do 区别

when did you do和what did you do 区别 what do you do 和 what did you do 区别 what did you do 和 what you did 的区别 what do you do?what did you do?what do you did?怎么区别, What did you do? what did you.do what did you do 英语翻译What did you do then?Did you do your homework?when did y when did you do yesterday? Do you do what you did when you did with me 期待高手释疑, What did you do yesterday? what did you do tomorrow?