1. There are many interesting articles in this magazine.2. There are a lot of museums and theatres in our city.3. Is there a telephone in this room?4. There are two windows in this room.5. There was no tea in the cup.6. How many articles were there in this magazine? - There were several articles there.7. How many students are there in the classroom? - There are twenty.8. There will be a park close to our house.9. Was there a school on this street?10. There are several books on the table.11. There is a school near our house. The school is situated close to our house.12. There are a number of theatres in the city. Theatres are situated in the city centre.13. There were flowers in the vase. The flowers were in the vase.14. There are a lot of children in the theatre. The children are in the theatre now.15. There are a number of ways to solve this problem. The ways of this problem solving are on page 5.