Контрольные задания

Вопрос:

Фото задания: Упражнения - 3. 18. When granny (to read) a book on the sofa, she (to fall) asleep.

Фото задания

Упражнения - 3. 18. When granny (to read) a book on the sofa, she (to fall) asleep.

When granny was reading a book on the sofa, she fell asleep.