The key answer of exercise 9

a)

1. -
2. to help people decide if they want to see a film
3. plot summary, actors' names, recommendation, setting of the film, reviewer's opinion of different elements (You don't usually find a description of the film's ending because people don't want to know that before they see the film, nor the ticket prices because they vary from cinema to cinema.)

c)

1. setting of the film, actor's names
2. plot summary
3. reviewer's opinion of different elements
4. recommendation