题目内容：

Fortunately it ______ that there was no one in the house at the time of the explosion
A occurred B took place C happened D appeared 老师我绝的吧 每个都是可以的 能不能帮我每个选项简答的讲讲呀 谢谢老师了呢

优质解答

选 c,表示碰巧发生,happen指“偶然发生”时,主语为“事”；当主语是“人”时,意为“碰巧”.occur 指“发生”时可与 happen 换用,但后接to sb．／sth．时,两者含义不同：happen to sb．／sth． 指不好的事情发生在某...