What did you do 后是加on sunday还是sunday?是加on sunday morning 还是加sunday morning?是加in the morning还是加morning?为什么我看过两种都有?到底怎么用?

What did you do? What did you do? what did you.do what did you do What did you do what did you do yesterday? What did you do yesterday? what did you do today? What did you do there what did you do here? What did you do with What did you do next? what do you do?what did you do?what do you did?怎么区别, what did you do 和 what you did 的区别 when did you do和what did you do 区别 what did you do on sunday .what elsewhat did you do on sunday.what else did you do. What did you do yesterday?快, what did you do yesterday?怎么回答