Помогите пожалуйста!; одно специальное предложение со словом what why when where и одно алетернативное к этому предложению We went to the national opera of ukraine last month

What opera did we go last month to? Why did we go to the national opera of Ukraine last month? When did we go to the national opera of Ukraine? Where did we go last month? Did we go to the national opera of Ukraine or cinema last month?