when did Emma start to go to school是什么意思

when did Emma start to go to school是什么意思 When did it start? when did it start? 解释 When did you start out? when did you start to______? 是when did it started还是when did it start? when did you start to learn english? When did it start?About ______ ago. 怎样回答When did you start school? when did you start （）(hiccup) When did Lu Xun start to write When did it start?为什么did用过去式? when did you start learning English?改为同义句 When did you start learning English怎么回答 when did you start class today是什么时态 When and where did the modern Olympic Games start? when did you start doing it?请翻译 When did it start?About ______ago.怎么填?