text: 14. If you start running out of time towards the end of the exam, write short 
  notes as answers to each of the remaining questions, instead of trying 
  to answer each question perfectly. 
  This way, you should still earn some marks for writing down the most 
  important points. 
  
  15. If you have time left at the end of the exam, go back and read through 
  
  your answers to make sure that you are happy with them. 