Составить вопросы употребляя слова. как where? what? why? how? when? who? к предложению they went to madrid with their friends last year

Where they walked? they were doing? why they went? when they went, and who went to Madrid?

1) Who went to Madrid with last year?
2) When did they go to Madrid with their friends?
3) Where did they go last year?
4) They went to Madrid with their friends last year, didn't they?
5) Did they go to Madrid with their friends last year?
6) Didn't they go to Madrid with their friends last year?
7) Did they go to Madrid or to Paris witn theit friends last year?
8)Did they go to Madrid with their friends last year or last month?