--There is somebody at the door. Who ______ it be? --I’m not sure. It ________ be a postman. A. may;...
2022-10-22 11:49:20 30次 江苏省无锡金桥双语实验学校2018届九年级中考二模考试英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
--There is somebody at the door. Who ______ it be?
--I’m not sure. It ________ be a postman.
A. may; will B. will; can C. may; must D. can; may
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