Conjugating a verb? That's what I would call it, but honestly, not hundred percent sure what you are talking about.
The answer is a or b or look at g or get an app
The correct answer to this statement is C-Estudiaba.
It's means I studied in the past tense.
Basically they’re changing the number of people doing the action and u have to change the adjectives and the verb to agree
2. lisa es lista y guapa
3. abraham y jaime son serios
4. rafael es tímido
5. jim y yo somos rubios
6. patty y sonia son antípaticas
7. el señor Gil y Juan son jóvenes