it's so kind of you

It's so kind of you和you are so kind是一样的意思吗? It's very kind of you to say so it's kind of you to say so It's kind of you It's so kind _____ you to be kind ___ me.A of of B of to Cto It's so kind of you to bring such a lovely bunch of flowers It's kind of you to think so much of us It’s kind of you to think so much of us. -__ hard work you have done!-It's very kind of you to say so ____hard work you have done It's very kind of you to say so. It's kind of you 、 kind for you It's very kind of you to say so.什么意思