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题目内容
（赤峰学院- 综合英语II(专升本)）
18. (单选题) — Show me your permit, please.
—Oh, it.s not in my pocket. It _______.( )(本题3.5分)
A、 might fall out
B、 could fall out
C、 should have fallen out
D、 must have fallen out
—Oh, it.s not in my pocket. It _______.( )(本题3.5分)
A、 might fall out
B、 could fall out
C、 should have fallen out
D、 must have fallen out
参考答案