Why did you return to the shop I left my friend _____(wait) there.

Why did you return to the shop I left my friend _____(wait) there. really don't understand why you did that? Why don't you pretend like we did?怎么翻译? why did you miss Why did you leave why did not you why did you not work 和why didn't you work意思一样吗 why did you tdlk like Why did you leave me why did you say goodbye why did you let it why did you do it Why did you do it? Know you can't mind,why did i just won't open翻译 If you don't love me,why did you steal my heart? since you didn`t love me.why did you keep me waiting for a long time I'm sorry,but I don't quite follow you.Did you say you wanted to return onI'm sorry,but i don't quite follow you.Did you say you wanted to return on September 20?Sorry,I_myself clear ,We want to return on October 20.A.hadn't made B.wouldn't make C.do Why didn't you take him?能不能说成Why did you not take him?这两种说法有什么区别?