17. Travel Agent: Now, our agency has come up with a travel package — Buy Two Get One Free. 
Passenger: _______________ 
Travel Agent: Yes, would you like to purchase this travel package?
(A) It sounds like a comic!
(B) It depends on the weight.
(C) It sounds great!
(D) It depends on you.

答案：登入後查看
統計： A(26), B(50), C(591), D(17), E(0) #573383