Ответ:

2. In the shop

1. sales

2. bargain

3. shop window

4. receipt

5. discount

6. shop assistant

7. trolley

8. refund

9. basket

10. customer

11. manager

12. till

3. Verbs and phrases

1. c

2. g

3. d

4. h

5. a

6. e

7. b

8. f