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.
Era , era ..... .............
The answer is esta I know because I speak Spanish hope this helps :)
You would say it the same way you would in English.
