Заполните предложения. to, in, at, by 1. this picture is /// valentin serov. 2. do you often go the theatre? 3. i are painting. 4. his sister is very drawing 5. they say there is a new this opera house. 6.there is a good coiiection of museum. 7. the boy made his pencil

1. This picture is by Valentin Serov.
2. Do you often go ..to. the theatre?
3. I are 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...at this museum.
7. The boy made his picture...in pencil
8. How important to you is your hobby?