Choose the correct preposition 1) bye-bye . can i kiss you on/to/at your cheek 2) we arrived at the station in/on/at time 3) who is responsible after/for/about sweets at our party 4) they have arranged to go to the theatre on/in/at 5 p.m. 5) in oxford i stayed at/with/in my friend's family 6) do you like to listen for/out/to classic music 7) it's nice of/about/on you to invite me to the country for the weekend