Answer:
The correct verb in the sentence is:
- Ella trabaja mucho y está cansada.
Explanation:
The verbs "ser" and "estar" in Spanish are actually different, unlike English where the verb be includes both, The verb "ser" is used to mention what is a person, how his/her name, profession and others qualities and abilities that can have each one, while the verb "estar" is used to mention where is a person (a place) or how is he/she (mood or feelings), reason why in the sentence which translation is below:
- She works hard and is tired.
The right use must be the second with the verb "estar", its conjugation in Present is:
How the personal pronoun used in the sentence is "she" or "ella" in Spanish, the applied conjugation is "está."
