Перевести предложения в Passive Voice. - вопрос №1404731

1. Could the automobile accident be prevented (by them)?
2, They said we would be informed about the insuranse (by them)
3. These forms have to be filled out (by us).
5. Have the calendars be ordered (by you)?
6. His compaign is being financed (by his friends).
7. The bill was handed him (by the waiter).
8. The rend will be paid by the end of the week (by them).
9. A few words from the letter had been omitted (by the typist).
10. All the places will not have been visited (by her) by the time you arrive.
11. The radio is being listened at the moment (by him).
12. You would have been called (by them) if your telephone number had been known (by them).

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