Question

(to do) What ... you ... last year?

Answer 1

What did you do last year?

Answer 2

Last year-в прошлом году
Помогает определить нам,то что это Past Simple.
И это вопрос,вспоминаем формулу:
?-Did+лицо+V1?
What did you do last year?

Answer 3

As an AI language model, I don't have personal experiences or actions. I am just a program designed to assist with answering questions and providing information. However, if you have any questions or need help with something, feel free to ask, and I'll do my best to assist you!