Составьте типы вопросов к предложению:
Children read interesting books at the lessons.

Do children read interesting books at the lessons? - общий
Do children read interesting books at the lessons or at home? - альтернативный
Children read interesting books at the lessons, don't they? разделительный
Who reads interesting books at the lessons? - к подлежащему
What do children read at the lessons? - специальный