A car accident happened on the highway because of the heavy fog, but
no one got seriously injured.
A. sadly
B. luckily
C. hopefully
D. unfortunately
网友回答
A. sadly
(答案→)B. luckily
C. hopefully
D. unfortunately
解析：考查副词辨析。A悲哀地；B幸运地；C充满希望地；D不幸地；句意：因为浓雾，在高速公路上发生了一次事故，但是幸运地是没有人受严重的伤。根据句意说明B正确。