----Youdidn’twaitforMr.Smithlastnight,didyou?----Yes,b...

問題詳情：

 ----You didn’t wait for Mr. Smith last night, did you?

---- Yes, but we _______. He didn’t return home at all.

A. needn’t have      B. should have    C. didn’t need to      D. don’t have to

【回答】

A

知識點：虛擬語氣

題型：選擇題