a/an+不可数名词+of 句型中不可数名词都有哪些

分类: 作业答案 • 2021-12-30 12:40:13

问题描述：

答

be of much use
be of importance
be of value
be of great significance
比如说：
This book is very useful to us ==== This book is of great use to us.