Question

(2013·西安市高三二模)—John looks a bit upset. Did you tell him the bad news?

—Yes, but I ________ him after his birthday party.

A．should have told B．must have told

C．shouldn't have told D．needn't have told

 

Answer 1

A

【解析】选A　句意：“约翰看起来有点伤心，你把那个坏消息告诉他了吗？”“是的，但我本应该在他生日后告诉他。”表示本应该做某事用should have done。