您要查找的是不是：
- When did the accident happen? 交通事故是什么时候发生的?
- When did the traffic accident happen? 交通事故是什么时候发生的?
- 'When did the accident happen?' 'It was the Monday(= the Monday of the week we are talking about).' “事故是什么时候发生的?”“就在那个星期一。”
- When did the accident take place? 事故是什么时候发生的?
- Why did the accident happen, "The army's nuke collide with warship at Hormuz Strait in USA. 20号，这个事情就发生了，核武器和军舰怎么会相撞呢？
- When did this supposed accident happen? 这场所谓的事故发生在什么时候?
- How did the accident happen? 事故是怎麽发生的?
- How did the accident happen ? 事故是怎麽发生的?
- P: How did the accident happen? 车祸如何发生的?
- When do the new safety rules come into force? 新的安全规则何时生效?
- Police asked passers-by if they had seen the accident happen. 警察询问过路的人是否见到事故发生的经过。
- When did the explosion of fire-damp happen? 沼气爆炸事故是什么时候发生的?
- When did the world come into being? 世界是什么时候形成的？
- The accident happened at the twist in the road. 这场事故发生在道路的拐弯处。
- When did the empire begin to wane? 那个帝国何时开始衰落的?
- The accident happened at six o'clock. 事故发生在六点钟。
- When did the universe come into being? 宇宙最初是何时形成的?
- The accident happened on January 8th. 那件事故发生在一月八日。
- When did the accident occur? 那事故是什么时候发生的?
- The accident happened a little before noon. 事故是在中午前一会儿发生的。
