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. Fridays
  2. once
  3. Christmas Day
  4. Good Friday
  5. work
  6. cash
  7. Monday
  8. the radio
  9. the moment
  10. horseback