—Show me your permit, please. —Oh, it's not in my pocket. It ________. A．must have fallen out B．migh...
2022-11-26 06:23:58 161次 2014年高考二轮复习热点预测：专题7情态动词和虚拟语气英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Show me your permit, please.
—Oh, it's not in my pocket. It ________.
A．must have fallen out B．might fall out
C．could fall out D．should have fallen out
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