—Jessie,don'tyouthinkitexcitingtoskateonthefrozenrivern...
來源：國語幫 3.1W
問題詳情：
—Jessie, don't you think it exciting to skate on the frozen river now?
—Think twice; you fall into the water for the ice is still too thin．
A． would B． must C． shall D． should
【回答】
C
知識點：情態動詞
題型：選擇題
