题目内容
---Look at the black hat. It must belong to Mrs. King.
---No, it _____ be hers. I saw an old man put it here just now.
A. mustn’t B. may C. can’t D. must
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题目内容
---Look at the black hat. It must belong to Mrs. King.
---No, it _____ be hers. I saw an old man put it here just now.
A. mustn’t B. may C. can’t D. must