помогите по англ языку вставить вместо пропусков предлоги)

1)Lilly is proudof her collection. There are twenty dolls for it.
2) My city is famous by its museum.
3) In the circus trained animals, acrobats, clowns and jugglen perform for the audience.
4) I`m a theatregoer. I often go to the theatre.
5) There are many paintings of Aivazovsky at this pictures gallery.
6) We are interested in ballet.
7) Marc is interested in painting. He has a big collection in books about his favourite painters.

спасибо)