Переделайте следующие предложения, употребив глагол в пассиве. Пользуйтесь образцом: They invited him = He was invited.
1. They will carry out this experiment next week.
2. He wrote this book 10 years ago.
3. They've asked him a lot of questions.
4. Somebody has left all the documents in the office.
5. One praises a pupil when he works hard.
6. People will forget him in a few years’ time.
7. Somebody built this house last year.
8. They will discuss his paper tomorrow.
9. They have opened the conference.
10. Someone has typed all the texts.
11. Nobody heard the sound.
12. People always admire this picture.