—Listen ! Helen is singing in the next room. It ____ be Helen. She has gone to Beijing. A. can’t B. ...
2022-12-08 06:09:50 43次 2014-2015学年山东省东营市九年级中考模拟英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Listen ! Helen is singing in the next room.
It ____ be Helen. She has gone to Beijing.
A. can’t B. mustn’t C. may D. neen`t
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