1. 补全对话。

A.Here you are .

B、How much is it ? 

C、Can I help you ?

D、What do you want to drink ?

E、Enjoy your meal !

Cashier :

Daming : I want some bread .

Cashier :

Daming :A cola for me .

Cashier :It's four dollars .

Daming :

Cashier :Thank you.