The correct possessive adjective to use in the sentence is 'mi', which translates to 'my'.
En mi opinión, la clase de español es muy difícil.
In this sentence, the correct possessive adjective to use is mi, which means 'my' in English. Possessive adjectives indicate ownership or a relationship between the noun and the speaker.
Using mi conveys that the opinion being expressed belongs to the speaker. It is essential to match the possessive adjective to the gender and number of the noun it describes in Spanish.
https://brainly.com/question/30766245