Complete the questions

— What did the children find on the street?

— The children found a puppy.

1. — When
   [ ] for school?
   — She left for school an hour ago.
2. — Where
   [ ] football?
   — We played football in the park.
3. — What
   [ ] for breakfast?
   — I had cereal for breakfast.
4. — Who
   [ ] on the bus?
   — Sue met Paul on the bus.