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题目内容
（佳木斯大学语言治疗学）
— Show me your permit, please.—Oh, it.s not imy pocket. It _______.( )
·might fall out
·could fall out
·should have falleout
·must have falleout
·might fall out
·could fall out
·should have falleout
·must have falleout
参考答案
