—IthinkthegirlunderthetreemustbeAlice.     —No,it

問題詳情：

—I think the girl under the tree must be Alice.

      —No, it ________ be her. She is in the gym now.

        A. can't           B. mustn't        C. may            D. may not

【回答】

A

知識點：情態動詞

題型：選擇題