Prepositions of Place

What is the correct preposition? ‘at’, ‘in’ or ‘on’ ?

Qué hay en esta ruleta (11 opciones)

  • ___a / the computer
  • ___the beach
  • ___my back pocket
  • ___your wall
  • ___the city
  • ___the cover of the book
  • ___the door
  • ___the end
  • ___the newspaper
  • ___the south-east
  • ___the traffic lights