Переделайте предложения из действительного в страдательный залог.
1. You open the door. 2. We asked questions. 3. He will finish his project next week. 4. He can do this exercise. 5. They invited me to their conference. 6. I saw a new film. 7. My sister writes letters regularly. 8. Universities develop new methods of students' training. 9. After graduating from the University the students may get a still higher degree. 10. The study of foreign languages, history and economics must improve the curricula of technological universities.

You open the door.
The door is opened by you.

We asked questions.
Questions were asked by us.

He will finish his project next week.
His project will be finished by him next week.

He can do this exercise.
This exercise can be done by him.

They invited me to their conference.
I was invited to their conference by them.

I saw a new film.
A new film was seen by me.

My sister writes letters regularly.
Letters are written regularly by my sister.

Universities develop new methods of students' training.
New methods of students’ training are developed by universities.

After graduating from the University the students may get a still higher degree.
After graduating from the University, a still higher degree may be obtained by the students.

The study of foreign languages, history and economics must improve the curricula of technological universities.
The curricula of technological universities must be improved by the study of foreign languages, history and economics.