Fill in the blanks with the prepositions during, while, for , over. 1. Industrial production has expanded __ the last three decades.
2. Someone came to meet you __ you were out.
3. We watched TV __ two hours.
4. __ his visit, the Pope will also bless the new hospital.
5. I lived in London __ two years.
6. I went to Scotland twice __ my stay in London.
7. I’ll be at home __ the weekend. We can meet then.
8. I visited my home town after many years. __ those years, a lot had changed.