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1. Helen is studying law at university. 2. There was a big table … the middle of the room. 3. What is the longest river … the world? 4. Were there many people … the concert last night? 5. Will you be … home tomorrow afternoon? 6. Who is that man … this photograph? Do you know him? 7. Where are your children? Are they … school? 8. George is coming by train. I’m going to meet him … the station. 9. Charlie is … hospital. He’s going to have an operation tomorrow. 10. How many pages are there … this book? 11. ‘Are you hungry after your journey?’ ‘No, I had a meal … the train.’ 12.I’m sorry I’m late. My car is broke down … the way here. 13. ‘Is Tom here?’ ‘No, he’s … his brother’s.’ 14. Don’t believe everything you see … the newspaper! 15. I walked to work but I came home … the bus.