It is very kind of him to cook food for his mother.为什么用kind

It is very kind of him to tell me how to study and set goals It made me kind of angry to wait for him It is very kind of you to come to us. it is a kind of food It is not very usual for the same kind of weather to stay lo It is very kind of you to help me的help前为什么要加to It is very kind of you to help me. this kind of dog food is for bigger dogs,为什么用bigger 1、His mother bought him a Size L T-shirt,()he is kind of hea it's very kind of you to help me与it's very kind for you to h It is kind of还是I is kind for it is very kind of you .