—Who _____ it be that is knocking at the door? —It ______be father, but I’m not sure. A. can; may B...
2023-02-13 13:03:43 67次 青海西宁市第十四中学09-10学年高一下学期期中考试 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Who _____ it be that is knocking at the door?
—It
______be father, but I’m not sure.
A. can;
may B. may;
can C. may;
must D. need; should
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