31. Customer: Do you have a double room for tonight?
 Receptionist:______ 
(A) I’m sorry. How many nights?
(B) Yes, we’re full.
(C) I’m sorry. We’re already full.
(D) What can I do for you?

答案：登入後查看
統計： A(8), B(8), C(52), D(0), E(0) #3005898