----It’sapitythatMr.Smithdiedlastnight. ----Really?Thep...

问题详情：

---- 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

【回答】

A

知识点：动词时态与语态

题型：选择题