选择填空 麻烦告诉我为什么

问题描述:

选择填空 麻烦告诉我为什么
-- Learning English is no__ easy job
-- That's __ we must work hard at it.
A. an; howB. /; what C. /; how D. an; why
B选项打错了 是B. /; why不好意思

B,not an easy job,但是这里是no,所以不要冠词.