Задайте общий альтернативный,специальным и разделительный вопрос к предложениюmike was driving at a very high speed

Was Mike driving..?-общ
Who was driving...?-к подлежащему
At what speed was Mike driving? -специальный
Was Mike driving at a high or low speed?-альтернативный
Mike was driving at a very high speed, wasn't he?-разделительным