The preterite expresses an action in the past that is defined. An Imperfect preterite expresses an action in the past that is NOT defined.
Answer:
2. vas
Explanation:
¿Vas tú a España el verano que viene?
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.
Could you please add the entire excercise so we can help you? Thanks!