It's nice ( )you ( )so.括号里填什么?为什么?

问题描述:

It's nice ( )you ( )so.括号里填什么?为什么?

It's nice (of)you ( to say ) so.
您这样说真是太好了.
It's nice of sb to do,是个常用句型,用来表示对某人所做某事的谢意.