I got stuck ... a traffic jam ... half an hour

fill i each gap with the most suitable preposition:
1. i got stuck__ a traffic jam__ half an hour.
2.we could hang this picture__the wall__ the door.
3. she's sitting__the table__the comer.
4. Ingrid Bergman started__ Humphrey Bogart__the film Casabianca.
5. there's a prize__the fastest three runners.