надо
Put the verb in brackets in the correct passive form.
1. These trees (plant) last autumn.
2. We (not invite) to a concert last Saturday

3. Mushrooms (gather) in autumn.
4. Many houses (burn) during the Great Fire of London.

5. His new book (to finish) next year.

6. Millions of e-mails (send) every day in the world.

7. The exercise (do) an hour ago.
8. Computers (use) all over the world.

9. The letter (receive) yesterday.
10. Our house (build) in 1990.