1. Выберите правильный вариант ответа:

I … when the lights went on

Выберите один ответ:
a. was reading
b. am reading
c. were reading

2. Выберите правильный вариант ответа:

When the professor entered the classroom, the students …. their test papers.

Выберите один ответ:
a. were writing
b. was writing
c. will be writing

3. Выберите правильный вариант вопроса:

The students were preparing for the seminar from 4 to 5 yesterday. (Вопрос к подлежащему)

Выберите один ответ:
a. Whom were preparing for the seminar?
b. Who do prepare for the seminar?
c. Who was preparing for the seminar?