问题
选择题
– Do you know William failed the exam, Jenny?
-- _____? As far as I know, he is always working hard.
A．So what
B．How come
C．Why not
D．What for
答案
答案：B
考查交际用语。So what那又怎么样；How come怎么会那样；Why not 为什么不；What for 为何。句意：你知道William考试失败了吗？怎么会那样，据我所知，他一直努力学习。所以选B。