when did you start to play chess?______i was six .a .until b since c when d during我只想问问答案是不是WHEN 我觉得since 是完成时的标志 我觉的是when 但我又不确定···

When did you start out? when did you start to______? when did you start to learn english? 怎样回答When did you start school? when did you start （）(hiccup) When did it start? 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 did you start doing it?请翻译 when did you start collect easy book?如何回答 when did it start? 解释 when were you stading和when did you start有什么区别吗? 8.I don’t know tomorrow.Can you tell me?[难]8.I don’t know tomorrow.Can you tell me?[难]A.when we started B.when did we start C.when we will start D.when will we start选啥 为啥？晕 是know后面 但应该是陈述句吧 直接排除B.D When did you start skating?的答语可以是when i was 7 years 你什么时候开始学英语的 1.when did you start to learn english?2.when did you start learning english 初中英语题一道(请说明理由)I don't know ( )tomorrow.Can you tell me?A、when we startedB、when did we startC、when we will startD、when will we start When did you start to speak english,that's really good for you!中文意思是什么?