Do not say “¿Quién es este libro?” That means “Who is this book?” – which makes no sense.
¿De quién son [objetos]? (Whose [objects] are they?) p219 estructura 1 de quien es practice it top
Based on the workbook content, here are the completed sentences: hermana de María. Es padres de Tomás. Es Lupe y Miguel. Son parientes. Step-by-Step Explanation Determine Possession with "de" Do not say “¿Quién es este libro