Put the words given below into the correct group.

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
   people      places      study periods      work   
college - , exam - , homework - , lecture - , lesson - , mark - , nursery school - , primary school - , pupil - , student - , secondary school - , teacher - , term - , university -, high school - .