That dictionary b______to the library is of great use for the English beginners.为什么是belonging
问题描述：
That dictionary b______to the library is of great use for the English beginners.为什么是belonging
而不是belongs呢?
答
分解句子结构,简化后是 dictionary is ……,belonging to the library是作为状语修饰主语dictionary的.其实省略了一个that,完整形式是That dictionary (that) belonging to the…….