It is very kind _____ you to help me with my lessons because

It is very kind _____ you to help me with my lessons because It is very kind _____ you to help me with my lessons. It is It is very kind _____ you to help me with my work because it 英语.It is very kind ____ you to help me with my lessons becau It is very kind------you to help me with my math.It is hard- -It is very kind of you to help me with my english.-____.A.T it is very kind of you to help me with my chinese同义句 ( )61.—It is very kind of you to help me with my English.—__ It's very kind of you to help me with my maths. It is very kind of you to help me. 填上适当的介词：It's very kind _____ you to help me with the bag . It's very kind _____ you to help me get the ticket _____ F1.