Someone is knocking at the door. It _______ my mother. It’s time for her to be back. A. can be B. ma...
2022-12-14 13:15:21 159次 2015-2016学年江苏无锡东湖塘中学八年级12月月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Someone is knocking at the door. It _______ my mother. It’s time for her to be back.
A. can be B. may not be
C. must be D. mustn’t be
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