1. Nobody could find out the place where they stayed.
2. It is not known what is the purpose of his visit to this place.
3. All the laborers set out for their homes when the sun set.
4. The thief fled away when he saw the policeman.
5. You cannot succeed unless you work hard.
6. All people always respect the women who are pious.
7. I do not know the way which leads to his house.
8. The guests who were sitting in the room could not hear his voice.
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The guests sitting in the room could not hear what he said.
9. She hoped that she would be successful in the examination.
10. A man who is fair in his dealings is always trusted.