who taught和who did teach这是新概念二中一题,我不明白两者区别

who taught和who did teach的区别 who taught和who did teach有何区别him a few words of italian?The waiter.A.who taught B.who did teach who taught和who did teach这是新概念二中一题,我不明白两者区别 who taught you的意思? “谁教了你意大利语”用英语怎么说Who taught you Italian?还是Who did teach you Italian? 为啥? 为什么是who taught him a few words of Italian?而不是Who did teach him a few words of Italian? _____him a few words yesterday?A:who taught B:who did teach 这两个选哪个呢,有什么区别? who taught you engishi?is___ mr brownA he B it 为什么?完整的题目：Who taught you English last term?Was ____Mr Brown?NO.Miss White did They don't know _______________ A. who did it B. who did it do C. who did do it D.who it did?kuai! ,I can't be who you are ,you taught me how to break a heart. ___him a few words of Italian?the writerA who taught B Who did teach C what did he teach D who did he teach 选择哪个 为什么?一定要说 AND WHO TAUGHT YOU TO DRIVE怎么样 who did it? 助动词该加在什么地方?——him a few words of Italian?横线处该填Who taught 还是 Who did teach . ( )him a few words of Italian? the waiter A. who taught b.who did teach 选A为什么不选B疑问句动词不是应该还原吗 ( )him a few words of Italian?the waiter A.who taught b.who did teach 选A为什么不选B动词不是应该还原 是不是一般who的疑问句,都可以省略 助动词?who taught him a few words of Italian?是不是一般who的疑问句,都可以省略 助动词?who did teach him a few words of Italian?这么写也不算错吧? we don't have a clue who did this中的who did this 是什么从句 请说明原因