She said the accident---in the winter of that year.(填happend

1)。take place 表示“发生、举行、举办”,一般指非偶然性事件的“发生”,即这种事件的发生一定有某种原因或事先的安排,例如：The Olympic Games of 2008 will take place in Beijing。(2) 。happen作“发生、碰巧”解,一般用于偶然或突发性事件,例如：What happened to you?(一般不说：What did you happen?) 所以这里的交通事故是意外发生的,所以填happend