They are very kind to me.to能否换成of?

They are very kind to me.to能否换成of? They are very kind to me.They treat me ______ their own son. .They aren't very kind to each other, are they? They have invited me to dinner ___ is very kind of them. My geandparents are lovely.They're kind to me.改错 it's very kind of you to give me a It is very kind of you to help me. it was very kind of you to invite me. It’s very kind of you to help me.意思? it's very kind of you to help me.翻译 保持原句意思：That's very kind of you to help me = You are ___ ___ it's very kind of you to help me与it's very kind for you to h