1. What did we have for dinner yesterday?
2. Oh! I cut my finger.
3. Why haven't you eaten your porrige?
4. Where have you been?
5. Did she get any good news yesterday?
6. Why have you left the party early?
7. What does Mum cook for dinner today?
8. Did your parents miss the bus last night?
9. Who did open the window?
10. It have snowed yesterday.