Переведите с английского на русский, обращая внимание на грамматику:
1. We remember having been told about the different points of view on the theory.
2. He apologized for having discussed the question in my absence.
3. One never knows what his answer may be.
4. We have been watching the engineers testing the new equipment for a couple of hours.
5. He said the preparations would have been finished by the time delegation arrived.
6. I was told not to leave the office until the manager called.
7. Shall we ever have a chance of trying to get better results? It's worth trying, isn't it?