问题
选择题
— you were so late this morning?—I forgot to set the alarm before going to bed last night.
A．Why
B．How come
C．How about
D．How
答案
答案：B
How come ...? 为一表达法, 用以表示不理解情况是如何发生的场合, 如: If she \ spent five years in Paris, how come her French is so bad?
【标签】习惯用语
