Find solutions to your problems with the help of IDNLearn.com's expert community. Our community is ready to provide in-depth answers and practical solutions to any questions you may have.
The correct preposition to complete the sentence is 'desde.'
The correct preposition in the sentence 'He querido visitar la Casa Azul de Frida Kahlo ___ que descubrí su arte' is 'desde'. So the complete sentence should be: 'He querido visitar la Casa Azul de Frida Kahlo desde que descubrí su arte.'