--Is Professer Smith giving the speech today? --It ________ be him. He is abroad right now. A. mustn...
2022-12-09 06:28:00 40次 2015届北京市东城区高一下学期期末考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
--Is Professer Smith giving the speech today?
--It ________ be him. He is abroad right now.
A.
mustn't B. needn't
C.
won't D. can't
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