Question

【题目】I wonder ________ here yesterday.

A. when did he come

B. when he came

C. when does he came

D. when came he

Answer 1

【答案】B

【解析】

句意：我想知道他昨天什么时候来的。此句是when引导的宾语从句，宾语从句为陈述句语序。只有答案B符合题意。