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. business
  2. the summer of 2012
  3. horseback
  4. the River Thames
  5. the bus
  6. the sky
  7. public
  8. the street
  9. drugs
  10. Good Friday