what did you do there?怎么回答

可以回答I + 过去式

如 I cleaned the room.

I went shopping.

I did my homework.

延伸

What did you do?你做了什么？

What did you do yesterday ?你昨天干什么了？

What did you do today ?你今天做了什么？

what did you do next?你接下来要做什么？I would .....

what did you do there？ I did my homework there.

易混

What do you do?= What are you ?是问职业的，不是在问你在做什么，回答就回答你的职业就可以了。I\'m a doctor.

what did you do？你做了什么？

what had you done？你都做了些什么啊？有不满之意。