The man running in our playground _______ be our headmaster, because he has gone to America on busin...
2022-10-11 06:24:57 19次 广东省珠海市2018届九年级下学期三模考试英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The man running in our playground _______ be our headmaster, because he has gone to America on business.
A. mustn't B. shouldn't C. can't D. may not
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