Read the text and complete the gaps A-F with the parts of sentences 1-7. One part is extra.
The presence of a police officer is undoubtedly a deterrent to anyone C _______________________ and is probably one of the most cost-effective methods of reducing petty crime.

• 5. considering snatching a purse or stealing something from a shop
• 1. were available
• 2. to increase police patrols in areas notorious for petty crime
• 3. to focus on some of the reasons why it occurs
• 4. have been introduced
• 6. unsafe places to live in
• 7. to completely rid society of it