6. I didn't recognise Lucy, because she had grown her hair very long.
7. The man told me that he had been to Russia a few years before.
8. Everything was white and beautiful, because it had snowed in the night.
9. Because I hadn't made an appointment, the manager refused to see me.
10. When I had done the washing up I sat down and read the paper.
11. My hands are dirty, because I have been repairing the car.
12. I have not been enjoying my job recently.
13. George has been helping me in the office since Tuesday.
14. I have been having a headache since this morning.
15. Anthony has been away for the last few days.
Krenitsyn Volcano. Sakhalin oblast, the island of Onekotan
Active volcano on the island of Onekotan of the great Kuril ridge. The largest two-tier volcano in the world is located in the southern part of the island of Onekotan. The height of the volcano is 1324 m.
The volcanic cone rises in the form of an island inside the Ring lake lying at an altitude of 400 m (diameter of about 7 km). The lake is surrounded by the Somme-walls of the older Caldera Tao-Rusyr (height 540-920 m with a diameter of 16-17 km soles).
There is only one known historical eruption that occurred in 1952
2.Изменять природу
3.Изменять генотипы существ
4.Разрабатывать опасное оружие , яды и т.д