-Listen! Is Mary playing the piano in the room? --No. It ________ be Mary. She has gone to Hong Kong...
2023-02-25 12:33:40 26次 2011年河南省中考英语模拟压轴试卷（一） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
-Listen! Is Mary playing the
piano in the room?
--No. It ________ be Mary.
She has gone to Hong Kong.
A.
may not B. needn't C. can't
D. mustn't
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