1. Who has been working hard for the whole term to pass exams successfully?
2. What is necessary for this experiment?
3. Who is writing a report in Physics now?
1. There are not many English classes in our curriculum.
2. The teacher doesn't always come to class late.
3. The students didn't make many mistakes at the last lesson.
4. We haven't seen the film about London three times.
5. We were not preparing for a seminar at that time last Saturday.
Trains will not be conducted by an automatic driver according to the schedule.
The first skyscrapers were invented in New York, where land prices are high and the geology allows such methods of construction. Skyscrapers are found in cities throughout the world but New York is considered the world's tallest city. If you want to have a good view of New York City you will be able to do it from the top of the World Trade Centre (110 stories) or from the Empire State Building (102 stories) .The Empire State Building is no longer the world's tallest building but it is certainly one of the world's best-loved skyscrapers. Today more than 16,000 people work in the building and more than two million people a year visit the 86th and 102nd floor observatories. At night the top 30 stories are illuminated with colours appropriate to the season: red and green for Christmas, orange and brown for Halloween.Not far from the Empire State Building there is an interesting architectural complex — Rockefeller Centre. It was begun during the Great Depression, of the 1930s by John Rockefeller and was built according to one general plan. Rockefeller Centre consists of 19 skyscrapers. It houses all kinds of offices, enterprises, banks, theatres, music halls, restaurants, shops, etc. All parts of the complex are linked by underground passageways.