The most appropriate locations for an art exhibition from the given options would be:
- A museum - Museums are specifically designed to showcase art and historical artifacts, making them ideal for exhibitions.
- An art gallery - Art galleries are also dedicated spaces for displaying artwork and hosting exhibitions.
- A trade fair - While not traditional, trade fairs can include art sections or showcases for new artistic products and trends.
- A work studio - Artist studios can sometimes host exhibitions, especially for local or emerging artists.
The other options (a frame store, craft shop, concert, supermarket; cemetery, funeral home, mortuary, mausoleum; classroom, forest preserve, hallway, home) are generally not suitable for formal art exhibitions.