who taught和who did teach有何区别

who taught和who did teach有何区别 who taught和who did teach的区别 who taught和who did teach _____him a few words yesterday?A:who taught B:who did teach 为什么是who taught him a few words of Italian?而不是Who did teach h Who she was和Who is she有何区别 定语从句中who和whom有何区别? 在定语从句中who和whom有何区别 teach和taught的区别跟用法? who did u go with 和whom did u go with有什么区别 teach sb a lesson和teach sb sth和teach sb to do 有何区别 who she is 和who is she有什么区别