81. The word “which” (line 10) refers to ____.
1. reports
2. stores
3. programs
4. Checkmates
82. We learn from the extract that most British people ____.
1. are patient with poor service in supermarkets
2. like talking about bad shop assistants the most
3. don’t mind talking about increasing poor service
4. enjoy shopping at the supermarket on weekends
83. It can be inferred that the staff training program will result in ____.
1. better working condition
2. generating higher profits
3. improving customer service
4. increasing employee morale