When ________ help,one often says “Thank you” or “It's kind

When __ help.one often says"Thank you."or"It's kind of you." when （）help,one often says "thank you".A offering B to offer It's very kind ___ you .Thank you for your help. -Thank you very much for your kind help--_________ A.It's my ( ) 1.It’s polite _________ you to ________”Thank you” when What kind people you are ,those who often ask for help or th thank you very much.it is so kind for you to help us如何改错 It's very kind of you ____and help us It’s very kind of you to help me.意思? It's very kind ( )you to help me. it's very kind of you to help me.翻译 it's very kind of you to help me与it's very kind for you to h