1.I have worn out my shoes,so Iwant to buy a new()
问题描述：
1.I have worn out my shoes,so Iwant to buy a new()
答
（pair）我的鞋穿破了，得买双新的
答
pair
答
我把鞋穿破了,所以得买一双新的
pair
答
pair a pair of shoes