Question

【题目】Mr. White hasn’t come yet. You should ________ when he will reach here this morning.

A. ask B. asked C. have asked D. had asked

Answer 1

【答案】C

【解析】句意：李先生还没到。你今天早上本应问下他将什么时候到达这儿。should have done表示

＂本应该做某事而实际上没做＂，结合句意，故选C。