Answer:
Isabel y Liana tienen un buen maestro.
Explanation: It can't be any of the other options because tengo means I have in English, tenemos means we have, and tienes means they have. As you can see none of these will apply to the sentence. In English the sentence is saying Isabel and luna have a good teacher.
Answer: ok well maybe its :
1. Elena es abuela de Armando.
2. Luis es hermano de Mariela.
3. Cecilia es hermana de Andrés.
4. Mariela y Luis son hermanos de Andrés y Cecilia.
