A-A+
The following arc all used to attract passenge
问题详情
The following arc all used to attract passengers EXCEPT ______.
A．punctuality
B．sound system
C．free drinks
D．charge-free food
参考答案
正确答案：D
解析：细节题。文章最后一段虽然提到了better food，但并没有说是charge-free food。
