Not only ____to beijing,but I've also climbed the Great Wall.A.i have been B.have I been C.did I go为什么?什么语法点?
问题描述：
Not only ____to beijing,but I've also climbed the Great Wall.
A.i have been B.have I been C.did I go
为什么?什么语法点?
答
B
not only要用倒装
而后面用到have
所以选B