son Tom four. It is a "four year old" boy.1.State University has 20 floors. . This twenty storey building.2. Our visit to London lasted 7 days. We had a seven day visit 3. It took us two hours to fly to Moscow. It was a 2 hour flight. 4. He gave ten dollars for the book. He gave ten dollars. Note. 5. I'm going to stay here for 6 days. I stay for 6 days. . 6. This bottle holds 2 liters. This is a two-liter bottle... Кажется так.. Надеюсь, что правильно