Question

【题目】Do you know what before you ?

A. has happened; came B. has been happened; came

C. had happened; came D. happended; had come

Answer 1

【答案】C

【解析】句意：你知道你来之前发生了什么吗？happen“发生”，是不及物动词，没有被动语态。Before“在……之前”，引导的时间状语从句用一般过去时，主句表示过去的过去，故用过去完成时had done，故选C。