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?