Prepositions – at, in, on – Test

Task Nr. 3023

Which of the following prepositions at, in or on can be put before the following words or phrases?

  1. the sky
  2. the summer of 2012
  3. the River Thames
  4. the street
  5. the country
  6. board
  7. business
  8. the afternoon
  9. the floor
  10. the evening