Выберите правильный вариант вопроса к подлежащему следующего предложения:
Yesterday an experiment was carried out by our students.
- What was carried out by our students yesterday?
- When was the experiment carried out by our students?
- Who carried out the experiment yesterday?
- Who was the experiment carried out by?
Для просмотра статистики ответов нужно
залогиниться.