---Did you get to school on time yesterday?
--- No. An unexpected heavy rain the bus the station on time.
A. allowed, reaching
B. stopped, reaching
C. stopped, to reach
D. kept, reaching
网友回答
A. allowed, reaching
(答案→)B. stopped, reaching
C. stopped, to reach
D. kept, reaching
解析：词义辨析。Allow 允许，stop 停止、阻止、keep 保持，根据题意，是一场未知的大雨阻止车公交车按时到站，前面用stop，后用动名词表示停止正在做的事情，接不定式则表示停下来去做另一件事情。根据题意选A。