单项选择题
A.At a conference hall. B.At an art gallery. C.At an airport. D.At a hotel.
A.Because it was cheap. B.Because it is in such good condition. C.Because it is a collector's item. D.Because he can resell it at a high pric
A.In the 1930's. B.In the 1940's. C.In the 1950's. D.In the 1960's.