when did it happen和 when has it happend?有什么区别when did it happen?when has it happened?有什么区别,具体要怎么翻译?一个是一般过去时,一个是过去完成时,这两种时态之间又有怎样的相同点和不同点?

when did the accident happen I ask the man in the shop_____.A.when it happened B.when did it happen my farther asked me_____.A.when did it happen B.where it happens C.how it happenedD.how did it happen when did it happen和 when has it happend?有什么区别when did it happen?when has it happened?有什么区别,具体要怎么翻译?一个是一般过去时,一个是过去完成时,这两种时态之间又有怎样的相同点和不同点? 英语 Can you tell me__________?A.when did it happen B.when it happened C.when was it happened D.when it was happened为什么不是D When did the earthquake of Wenchuan happen Can you tell me _ in Turkey?On 23 October.It killed more than 600 hundredA when the earquake will happen B When will the earkuake happen C when the earquake happened D when did the earthquake happen 求写篇英语作文,不要有生僻词汇 My last birthday内容要有以下问题的：When did it happen?Where did it happen?What happened?How did you feel？ why did it have to happen.why did it all have to end.when i open my eyes,you are gone什么意思? When did it start? when did the accident happen?怎麼回答? When did the car accident happen?(同义句） when did the flood in your hometown take place?为啥用take place不用happen和come about ----How did this accident happen?----You know ,it ___ difficult to learn when it ____ rainy.A.is isB.was was that 从句的疑问形式.如Did it happen to you that you had been out when he called 中为何用did 看主...that 从句的疑问形式.如Did it happen to you that you had been out when he called 中为何用did 看主句还是从句 When () the accident ()?A.was,happen B.did;happen C.is;happen D.was;happened 选B,为什么? He asked his father a.where it happen B.where did it happen C.how it happened D.how did it happen 是when did it started还是when did it start?