问题
选择题
I _____ when it began to rain．
A．was about to going out
B．was in the point of going out
C．was on the point of going out
D．both A and C
答案
答案：C
本题考查固定搭配。be on the point of doing… when …正当做……的时候，突然……。句意：正当他要动身去火车站时,天开始下起雨来。