—Listen ! Helen is singing in the next room. —It __________ be Helen. She is in Tianjin now. A. can’...
2023-02-23 02:28:27 24次 2011-2012学年山东省济南市初三第一次中考模拟英语试卷（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 is in Tianjin
now.
A. can’t B.
mustn’t C.
may not D. shouldn’t
本题链接：
