单项选择题
A.On foot and by boat. B.By car and on foot. C.By air and by ear. D.By air and by bus.
A.She has recently gone there. B.It's not a very good one. C.There's one in her home town. D.It will be closed when she's fre
A.At a conference hall. B.At an art gallery. C.At an airport. D.At a hotel.