Заполните предложения. to, in, at, by 1. This picture is /// Valentin Serov. 2. Do you often go ... the theatre? 3. I

1. This picture is by Valentin Serov. 2. Do you often go to the theatre? 3. I am interested in painting. 4. His sister is very good at drawing. 5. They say there is a new ballet at this opera house. 6.There is a good collection of puppets in this museum. 7. The boy made his picture by pencil.