Ответ:

2 I was reading a book.

3 Who were you sitting next to?

4 I was sitting next to Mark and Tony.

5 Were they reading?

6 No, they were doing an exercise.

7 What was your teacher doing?

8 He was standing near the window.

9 Was he looking out of the window?

10 No, he wasn't looking out of the window.

Объяснение: