Упражнение 15. Поставьте предложения в вопросительную форму.Model: The students are at

Упражнение 15. Поставьте предложения в вопросительную форму.
Model: The students are at the English lesson now.
Are the students at the English lesson now?
А.
1. My father is an engineer.
2. Pete is waiting for you.
3. This book is translated by a group of our teachers.
4. I was to stay there till 5 o'clock.
5. Our students were in London last year.
6. The Belorussian State University was founded in 1921.
7. We shall be in Moscow in summer.