-- Look at the boy running on the ground. Is it David? -- It _______ be him. I saw him go to the tea...
2022-12-10 17:01:27 183次 2014-2015学年福建龙岩初级中学九年级上11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：
-- Look at the boy running on the ground. Is it David?
-- It _______ be him. I saw him go to the teacher’s office just now.
A. might B. could
C. can’t D. mustn’t
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