СРОЧНО Задайте разделительные вопросы: 1. His grandfather has been working at the metallurgical plant for many years. Его дед работал на металлургическом комбинате в течение многих лет.2. We are listening to a lecture in a spacious hall now. Мы слушаем лекции в просторном зале сейчас.3. There were no chemical laboratories in Russia before Lomonosov. Там были не химические лаборатории в России до Ломоносова.4. Oleg graduated from the University last year. Олег окончил университет в прошлом году.5. Olga always copies Maths. Ольга всегда копирует Математика.

1. His grandfather has been working at the metallurgical plant for many years, hasnt he?
2. We are listening to a lecture in a spacious hall now, arent we? 
3. There were no chemical laboratories in Russia before Lomonosov, were there?
4. Oleg graduated from the University last year, didnt he?
5. Olga always copies Maths, doesnt she?