A pair of shoes ( ).A.is worn out,B.are worn out

问题描述:

A pair of shoes ( ).A.is worn out,B.are worn out

楼上说的很对呀,a pair of 修饰某个名词不管名词是单数复数谓语动词要看pair 是单还是复数
所以选A
译为一双鞋穿破了