问题
选择题
--- I’m sorry. I ___________ at you the other day.
--- Forget it. I was a bit out of control myself.
A．shouldn’t shout
B．shouldn’t have shouted
C．mustn’t shout
D．mustn’t have shouted
答案
答案：B
前句中有明显的时间状语the other day (几天前)，故用表示对“过去”推测的谓语形式shouldn’t have shouted，指“过去本不该大嚷的”。