It is very nice of you為什麼用of 為什麼用of而不用for
當形容詞表示人的特點:kind .nice等用of.
如果表示物的特點用for,如:important necessary等.
用is,you,so,it,nice,of(.)造句
it is so nice of you
你真好
meet,all,nice,you,it is,to連詞成句
it is nice to meet you all.很高興見到你們.