Question

【题目】---- It’s a pity that Mr. Smith died last night.

---- Really? The police may never discover what ______ that night, for he was the only eyewitness (目击者).

A. happened B. took place

C. was happened D. was taken place

Answer 1

【答案】A

【解析】考查动词

首先排除“C"和”D"用法不对,这两个“发生“都没有被动语态.而"take place"是有目的有计划的发生. happen偶然的发生，由语境可知A。