Comparative adjectives in Spanish are used to compare characteristics of different individuals. The appropriate adjective to fill in the blank to describe Toni in the sentence provided is 'menos,' meaning 'less.'
Comparative adjectives and adverbs are used in Spanish to compare two people or things. For example, 'Jorge is thin,' and 'Steven is thinner than Jorge.'
In this specific case, the appropriate adjective to fill in the blank in the sentence 'Mis hermanos son muy diferentes. Juan es inteligente y trabajador, pero Toni es tonto y is a comparative adjective 'menos'>menos inteligente y trabajador.' The adjective 'menos' conveys the idea of 'less' in English.
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