Составьте 5 видов вопросов к предложению they found their keys yesterday

1.Who found their keys yesterday?
2.What did they do yesterday?
3.What did they find yesterday?
4.When did they find their keys ?
5 Whose keys did they find yesterday?
6.They found their keys yesterday, didn't they ?
7.Did they find their keys yesterday?
8.Did they find their keys or their money yesterday?

1). What did they find? 2). Who found their keys? 3). When did they find their keys? 4). Whose keys did they find? 5). What did they do yesterday?