﹣﹣﹣Look!Themanatthegate
來源：國語幫 3.21W
問題詳情：
﹣﹣﹣Look!The man at the gate _____ be our headmaster．He is always standing there every morning．
﹣﹣﹣No，it_______ be him．He is holding a meeting in the office now．（ ）
A．must； can't B．must； mustn't
C．can't； can't D．can't； mustn't
【回答】
A．
知識點：情態動詞
題型：選擇題
