In(3) of(2) for(2) to,by,about Lizzy is proud ...... Her collection. There are twenty dolls ....... It My citi is famous

1. Lizzy is proud of her collection. There are twenty dolls in it.2. My city is famous for its museum.3. In the circus trained animals, acrobats, clowns and jungglers preform for the audience.4. I\'m a theatregoer. I often go to the theatre.5. There are many paintings of Aivazovsky at this picture gallery.6. We are interested in ballet.7. Marc is interested in painting. He has a big collection of books of his favorite painters.