1(общий)Did his first Italian opera become a great success in Florence in 1707?
2(альтернативный))Did his first Italian opera become a great success in Florence in 1707 or in 1800?
3(специальный)Why did his first opera become a great success in 1707?
4 (к подлежащему)What become a great success in Florence in 1707?
5(разделительный (с переспросом))His first Italian opera became a great success in Florence in 1707, didn't it?
His first Italian opera didn't become a great success in Florence in 1707, didn it?