7. Somebody has cleaned the room. The8. They have postponed the meeting.The9. Somebody is using the computer at the moment, The10.I didn't realize that somebody was recording our conversation.I didn't realize that11. When we got to the stadium, we found that they had cancelled thegame.We found that12. They are building a new ring road round the city.A new ring road13. They have built a new hospital near the airport.A new hospital14.Someone's interviewing the president.The15. The international Olympic Committee chose London.London​