IfIhadn’tstoodundertheladdertocatchyouwhenyoufell,you

問題詳情：

 If I hadn’t stood under the ladder to catch you when you fell, you ________ this moment.

A. wouldn’t be smiling       B. couldn’t have smiled   

C. won’t smile               D. aren’t smiling

【回答】

A

知識點：虛擬語氣與情態動詞

題型：選擇題