Вставьте предлоги ( to(2) in(2) at(3) by) !!!! 1)This picture is ... Valentin Serov , my favorite painter. 2) Do you often go ... the theatre? 3) My good friend and I are interested ... painting. 4) His sister is very good ... drawing. 5) They say there's a new ballet ... this opera house. 6) There's a good of puppets ... this museum. 7) The boy made his new picture ... pencil.8) How important ... you is your hobby