not so expensive as等于什么

not so expensive as等于什么 mobile phones are not so expensive as they ------------- to It is __good__the expensive one. A:so,as B:not so,as C:as,no not as as等于什么 not as.as和not so.as有什么不同? not as as与not so as 有什么区别 not as as与not so as有什么区别 so tall as 等于什么? 五、选择填空1.It is good the expensive one.A.so ,so B.not so ,as C Computers are not so expensive as they ____to be.A.useB.used not as cheap as 等于什么 not as … as 等于什么?