White questions to which the following sentences are answers!

1. Who are all the tests prepared by? / What is prepared by the teachers?
2. Who came to school? / Where did my mother come?
3. Who was given another text? / What were you given?

Вервые вопросы - все к подлежащему, через слэш(/) - специальные вопросы, так сказать, на выбор.