A:Show me your passport,please.B:Oh,it’s not in my pocket.It must have ______.A.fallen off B.fallen out C.fallen down D.fallen over必须有解析

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A:Show me your passport,please.B:Oh,it’s not in my pocket.It must have ______.A.fallen off B.fallen out C.fallen down D.fallen over必须有解析
A:Show me your passport,please.B:Oh,it’s not in my pocket.It must have ______.
A.fallen off B.fallen out C.fallen down D.fallen over
必须有解析

A:Show me your passport,please.B:Oh,it’s not in my pocket.It must have ______.A.fallen off B.fallen out C.fallen down D.fallen over必须有解析
fall off
减少;跌落;变坏;变瘦
fall out
争吵;结果;解散; 掉队;掉出来
fall down
倒塌,跌倒;失败;趴架;栽倒
fall over
被…绊倒;意外地从…上跌落;落在…之外;迫不及待做某事
此题个选项时态一致,考的是词义辨析
选B