They did if 2 days ago. составить вопросы 4 вида начинаются так: who what when tag-q

They did it  2 days ago.
Составить вопросы
4 вида начинаются так:
Who did it  2 days ago?
What did they do it  2 days ago?
When did they do it?
tag-q - They did it  2 days ago, didn't they?