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1. This picture is /// Valentin Serov.
2. Do you often go ... the theatre?
3. I are interested... painting.
4. His sister is very good... drawing
5. They say there is a new ballet... this opera house.
6.There is a good coiiection of puppets...this museum.
7. The boy made his picture... 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 pencil8. How important to you is your hobby?