Придумать к данному предложению вопросы: специальный, общий, альтернативный. предложение: a group of students came up with the idea of making a school club to help saave the environment.

Why did a group of students come up with the idea of making a school club ? (спец) Did a group of students come up with the idea of making a school club to help save the environment? (общ)Did a group of students come up with the idea of making a school club to help save the environment or to save endangered spicies of animals?(альтерн)