Use this the red is the correction so just add them in
Luis y Marcos ______________ (trabajar) en el museo de arte contemporáneo.
2 answers:
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<h3>Elige la forma correcta del pretérito. </h3><h3>Yo (estudiar) para este examen de español.</h3>
Answer : Yo estudié para este examen de español.
Explanation : The subject in this sentence is "Yo", that is the first singular person, so the verb must be conjugated in this form too. Estudié.