There is / are a pair of shoes and two boxes under the bed 为什么There is / are a pair of shoes and two boxes under the bed 为什么后面不是还有个and吗，and在这为什么不管用

There is / are a pair of shoes and two boxes under the bed 为什么There is / are a pair of shoes and two boxes under the bed 为什么后面不是还有个and吗，and在这为什么不管用
There is / are a pair of shoes and two boxes under the bed 为什么
There is / are a pair of shoes and two boxes under the bed 为什么
后面不是还有个and吗，and在这为什么不管用

There is / are a pair of shoes and two boxes under the bed 为什么There is / are a pair of shoes and two boxes under the bed 为什么后面不是还有个and吗，and在这为什么不管用
看一下语法书,there be 结构就近原则.如果,two boxes 在前面,就用there are

你好，正确答案是is
there be句型讲究就近原则，a pair of是单数，所以用is

is 就近原则 a pair of shoes 看做一个整体 用单数

There is a pair of shoes and two boxes under the bed

一双鞋，要作为一个整体来看，所以应该是单数
答案应该是is

以上 谢谢