单项选择题
[听力原文] W: It’s terrible. I’ve been waiting in this line for 20 minutes. M: We certainly need a better bus service.
A.At a booking office. B.At a railway station. C.At the cinema. D.At a bus stop.
A.in the hotel. B.On the first floor. C.In the restaurant next door. D.In his room.
A.His diseased teeth. B.His false teeth. C.His healthy teeth. D.His gold-crowned teet