It is __good__the expensive one. A:so,as B:not so,as C:as,not as D:not as ,so 选哪个?

问题描述:

It is __good__the expensive one. A:so,as B:not so,as C:as,not as D:not as ,so 选哪个?
我选的是B:not so ,as 我只学过 as...as.. 句型,我可以说是乱选的,书上的答案也是B,请说明一下!

记住:as ..as ...与……一样
not as/ so ...as ...与……不一样
故B是对的.