请解析“It's nice of you to say so."说出其含义,表达语境等.

请解析“It's nice of you to say so.说出其含义,表达语境等. It,s very nice of you,中文, It's very nice of you It's nice of you to say It's nice of you to help it's very nice of you同义句 It's very nice of you 的中文 英语 it's very nice of you的回答 It's very nice of you 改为同义句 it's very nice of you ----(say) so It's really nice of you.Nice to meet you.区别 英语题,请各位帮忙解答一下?必重谢!It‘s nice of you to help me.是否等于You are nice to help me? It's very nice ( )you. That's nice of you it's very nice of you.同意句 以 it‘s very ____ ____you.填写 It's nice of you to bring me the newspaper .of you是什么成分呀? it's nice of you 语法上怎么分析 ,of you 做什么成分呢? It’s very nice of you to help me find th e key A.of B.for C.to D.on选哪一个,请赐教!