They are all correct but may be used in different circumstances. When 'the museum' is used, I would expect the museum to have been mentioned previously. Paul
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
Nina_NiaCould you correct these phrases, please? We were shown many beautiful pictures at a musem. We were shown many beautiful pictures at the museum. We were shown many beautiful pictures in a museum. We were shown many beautiful pictures in the museum.Grammatically, they are all OK.