That( )very nice of you to help me.

That( )very nice of you to help me. it's very nice for/of/to you to help me of/with/for my Engli It is very nice of you to help me 为什么要用of --is very nice of you to help me carry this heavy dox .(暑假学与 it′s very nice of you to help me find the key { }the door .A It is very kind of you to help me nice中文好评 It is very nice for you to help me make plans for/of my futu It’s very nice of you to help me find th e key A.of B.for C. It's very nice of you to help me with my English.中为什么填to hel ( )It's very nice you to help me. A．to B．of C．at D．with ( ) 14."It's very kind of you to help me with that heavy box It is very kind of you to help me.