57页72.John like Chinese but he is not good at it .----------.A.so is Mary B.so does Mary C..so it is with Mary D.so it does with Mary 为什么不选B应该选什么答案
问题描述：
57页72.John like Chinese but he is not good at it .----------.
A.so is Mary B.so does Mary C..so it is with Mary D.so it does with Mary 为什么不选B
应该选什么答案
答
因为这个句子里的动词是be动词is，没法用do/dose来代
答
因为前句是John like和he is ,所以回答句不能只用be动词,所以排除B
应该选C.当前句既有实义动词like又有be动词is,C是正选,是固定用法,记住就OK了.