Questões de Concursos: Adjetivos comparativos e superlativos

The word sustainable in Sustainable energy is an adjective formed by sustain+ the suffix able. Choose another word from the list below that can form adjectives with the suffix able.

The correct expression to complete the sentence Rees suggests activities __________ involving young children in the food preparation process, teaching them how to set the table, letting them choose some fruits and vegetables of their preference. Is