It's very kind____you.

It's very kind____you. It's very kind____you to tepair the bike____me. 单项选择：It's very kind____you to invite me for dinner.A.for B.o it is very kind____you to help me get the ticket of F1 a.for it's very often It's very nice! It's not very It’s very delicious. but it's very It's very funny It's very nice.It's yellow. So it\"s very cold