My teacher knows more than ( )A my uncle knows B.my uncle does为什么_英语解答

My teacher knows more than ( )
A my uncle knows B.my uncle does
为什么答案是B呢,A为什么不对

人气：378 ℃　时间：2020-04-04 16:19:09

解答

B. my uncle does
动词重复,用助动词代替