Sorry,Cathy,Ididn’tknowthatyouwerebadlyshortofmoneythe...

問題詳情：

 Sorry, Cathy, I didn’t know that you were badly short of money then. But you        me for help.

   A. must have asked                  B. could have asked  

 C. would have asked                 D. may have asked 

【回答】

B

知識點：虛擬語氣與情態動詞

題型：選擇題