Which letter is the one you want to know the reason of something?1、A 2、C 3、Y 4、W 怎么回答？
问题描述：
Which letter is the one you want to know the reason of something?
1、A 2、C 3、Y 4、W 怎么回答？
答
你想知道某事原因的信是哪一封?
答
w
哪个字母是你要知道的原因
why 首字母 是w