his mother was making supper in the kitchen when I came in Поставьте, пожалуйста, это предложение в вопросительную форму

Общий вопрос: Was his mother making supper in the kitchen when I came in?

Специальный: What was his mother making in the kitchen when I came in?

Альтернативный: Was his mother making supper or breakfast in the kitchen when I came in?

Разделительный: His mother was making supper in the kitchen when I came in, wasn't she?