--Have you seen Jack? His mother is looking for him all the afternoon. --No, I haven’t. I am sure hi...
2023-02-06 17:30:48 135次 2013-2014学年四川省万州区岩口复兴学校九年级中考模拟（一）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：
--Have you seen Jack? His mother is looking for him all the afternoon.
--No, I haven’t. I am sure his mother________be very worried.
A. must B. may
C. need D. should
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