Дз по английскому языку, не могу 7-8 задания сделать

1. When I left the laboratory, the device was still being tested.
2. When I joined the visitors, the machine shop was being shown round by the foreman.
3. When I returned, the new appointments were still being discussed.
4. When I entered the room, the article was still being discussed.
5. The students were still being examined by Dan at 4 o'clock.


1. When I came to the fair, souvenirs were being given away to the visitors.
2. When I arrived in London, the Tube was being built;
3. When I entered the Personnel Department, a new lawyer was being interviewed;
4. When I switched on the TV set, an interesting film was being shown;
5. When I arrived at the airport, the President was being seen off;
6. When I left the meeting, the resolution was being discussed.
7. When I came to the office, the agreement was being negotiated.