The key answer of exercise 2

a)

• A: Excuse me, where's the ticket office?
• B: It's between the trains and the buses.
• A: OK. Thanks. And where are the payphones?
• B: Do you see the café over there?
• A: Yes, I do.
• B: They're behind the café.

b)

• ticket office → A
• payphones → C

c)

1. D
2. E
3. F
4. B