—Look at the lady in a white T-shirt, is she Ms. Yang? —It________be her. She has gone to the librar...
2022-07-14 10:51:42 108次 北京海淀外国语实验学校2019-2020学年九年级下学期月考英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Look at the lady in a white T-shirt, is she Ms. Yang?
—It________be her. She has gone to the library.
A.mustn’t B.may C.can’t D.should
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