—Whyaresomanypeoplegatheringontheroad?     —Ihaveno...

問題詳情：

     — Why are so many people gathering on the road? 

     — I have no idea. There ______ be an accident.

     A. must                       B. would                     C. can                        D. might

【回答】

D

知識點：虛擬語氣與情態動詞

題型：選擇題