Are they going to run at school? What are they going to do at school? Where are they going to run? (Are they going to run at school or at home? They are going to run at school, aren't they? Who is going to run at school?)
Is she going to cook dinner? What is she going to cook? What is she going to do? (Is she going to cook dinner or lunch? She is going to cook dinner, isn't she? Who is going to cook dinner?)
В скобках более сложные вопросы, так как не знаю какие именно Вам нужны.