Переведите на русский язык:
1. Не seems to know all about this matter.
2. The question appears to be of great importance to them.
3. The results of the test seemed to have disappointed them.
4. He seemed to want to do it himself.
5. He didn't appear to be surprised at this news.
6. The goods don't appear to have been packed very carefully.
7. He doesn't seem to have been discouraged by his failure.
8. She seemed to have been waiting for a long time.
9. He happened to look in that direction and saw a man run out of the house.
10. The plan proved to be a great success.
11. She happens to know him.
12. I happened to leave my office early that day.
13. My friend seems to be having a good time at the seaside.
14. They seem to be waiting for you downstairs.
15. This plant seems to have been producing such equipment since 1946.
16. There seem to be no objections to their proposal.
17. There appear to exist other methods of making this test.
18. There seemed to be many obstacles in their way.
19. There proved to be another solution of the problem.
20. There happened to be a surgeon among them.