Английский Срочно This invention was a breakthrough in the transport history . Нужно написать Альтернативный вопрос, специальный, общий и разделительный. Помогите пожалуйста
Was this invention a breakthrough in the transport history ? What was a breakthrough in the transport history? Was this invention a breakthrough in the transport history or in the history of mankind? This invention was a breakthrough in the transport history, wasn`t it?