—IregrettosaythatI         haveshoutedatyoutheotherday...

問題詳情：

 — I regret to say that I          have shouted at you the other day．

— Forget it． I was a bit out of control myself．  

       A． shouldn't B． mustn't   C． couldn't  D． mightn't

【回答】

A

知識點：情態動詞

題型：選擇題