Did he start to write the book? 或者 Has he started to write the book? 哪个正确?哪个更正式? 帮忙回答下 谢谢谢谢!

when did you start to learn english? When did Lu Xun start to write －John’s English is very good.－Yes.I want to know ____________.A.when he started to learn English.B.when did he start to learn EnglishC.how long did he learn EnglishD.how long he learn English Did he start to write the book? 或者 Has he started to write the book? 哪个正确?哪个更正式? 帮忙回答下 谢谢谢谢! when did Emma start to go to school是什么意思 he got off to a poor start I want to writ a novel 一道高三单选题```He did all he could to try to get the car to start but it____work.A.wouldn't B.didn't C.shouldn't D.shan't我选的是B 为什么喔. When did it start? He asked me___early.A.whether to start B.whether starting C.whether we start D.if to start He did all he could to get the car to start,but it ___work.A wouldn't B didn't 为什么选A我觉得选B 这是道单选没有语境啊 HE START .START加不加S the staffer said he did not know _____the meeting.a.when we started b.when will start c.when would start d.when to start答案及原因（详细）listen!helen is singing in the next room .it ____be helen,she is gone to beijing.a.can't 八上英语改错.如下：1.They came to said goodbye to us yesterday.2.We start the meeting at 9.00and finished it at 10.00.3.What did you after supper?4.he often asks his robot to help . 八上英语改错.如下：1.They came to said goodbye to us yesterday.2.We start the meeting at 9.00and finished it at 10.00.3.What did you after supper?4.he often asks his robot to help . start to to start to start