Вставьте предлоги ( to(2) in(2) at(3) by) This picture is ... Valentin Serov , my favorite painter. Do you often go ... the theatre? My good friend and I are interested ... painting. His sister is very good ... drawing. They say there's a new ballet ... this opera house. There's a good of puppets ... this museum. The boy made his new picture ... pencil. How important ... you is your hobby.