1. I was meeting him when he went to the railway station.
2. What were you reading, when I came in?
3. He usually comes to the office at 8.
4. They are watching a new film on TV now.
5. I'll do this work instead him tomorrow.
6. I'll be doing it at 5 tomorrow.
7. Do you understand what is he speaking about?
8. They left for London tonight.
9. It was raining all day yesterday.
10. I'll be studing English from 10 till 12 tomorrow.
11. They lived in Saratov two years ago.
12. I'll see him next week.