1. The book was published by him last
year.
2. These clothes are used by us only on special occasions.
3. The light was switched on and the door was opened by somebody.
4. You will be given an answer in some days. An answer will be given to you in
some days.
5. Who(m) was this novel written by?
6. She was shown the easiest way to do it. The easiest way to do it was shown
to her
7. The telegram has been looked for everywhere.
8. He hadn't been visited by anybody.
9. The work will have been finished by them by twelve.
10. Children under sixteen won't be admitted (by us).