Очень прошу помочь!! раскрыть скобки 1. Now a new railway (to be built) between the two cities. 2. Last year in June

1. Now a new railway is building between the two cities. 2. Last year in June they were constructing a tunnel through the mountain. 3. Now they are organizing another kind of work at their laboratory. 4. When I came the problem was discussing. 5. When Sedov was in London a new deep-level tunnel were completing there. 6. The director was telling the news when I entered the room. 7. Yesterday at the meeting this man was sitting next to me. 8. The day before yesterday from ten to half past eleven the students were working in the chemical laboratory. 9. While I was working in the garden, I hurt my back. 10. The television was on but nobody was watching it.