—Whatdoyouthinkofthepresenteconomicsituation?—Whenbigf... 國語站 題庫 2.38W 大中小設置文字大小 問題詳情: — What do you think of the present economic situation?— When big firms reduce their expenses, we ______ know that times are really hard.A. shall B. couldC. must D. need【回答】A知識點:情態動詞題型:選擇題 TAG標籤:#