21* Choose the correct response.A: Can I have a ticket to

2
1
* Choose the correct response.
A: Can I have a ticket to London, please?
B: a Certainly. Single or return?
b Single, please
2
A: Thank you for your help.
B: a Thank you. b You're welcome
3
A: That's 95, please.
B: a Here you are. b You're welcome.
4
A: Can you tell me which platform it leaves
from?
B: a The 16:35 train.
b It leaves from platform 4.