be+of+adj.+n.的用法

分类: 作业答案 • 2022-01-09 18:05:03

问题描述：

be+of+adj.+n.的用法
这种用法我不太习惯,例如：They aren't of good quality.谁能帮我讲讲?

答

It is of great importance
=ti is important
they aren't of good quality means they are not in good qualit