Ответ:

5. published -паст симпл, потому что есть обстоят времени два года назад

6. hasn't decided yet-през перф, потому что есть " not yet-еще нет".

7. Have you ever met this man?-No, I have never met him.

8. Have you translated this text already?- Yes, I have translated it.

9. When did the conference...take place? - It took place last month.

10 You surprised me yesterday. I didn't expect you to come

11. discovered

12. have repeated

Объяснение: