Поставьте вопрос к предложениям и создайте отрицательный форму: (Письменно)
1. Crop farming is very important for every economy.
2. Processing is important for all mineral resources.
3. I am a bank manager.
4. My friends are plant managers.
5. The growth of trade is very quick in this country.
6. Mining is part of the service sector.