A：What did you do last weekend?B：I worked at the university bookstore.A：I didn't know you had a job.B：Yeah,I‘m a cashier there.为什么是you had a job ,那个工作B现在还在做呀。

What did you do? What did you do? what did you.do what did you do What did you do Did you give your teacher a hard time?If you____(do /did),what did you do? can you tell me___ yesterday.A.what do you do B.what did you do B.what you do D.what you did 选哪个 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? Do you remember ______ when I met you yesterday?A.what were you doing B.what you were doingC.what you did D.what did you do do you know what he did for a ------[live] 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