This sentence stands for the simple present that is a tense used to talk about habitual actions or routines. This tense is also used to describe things that happens now or in the near future. Moreover, it is also used to talk about universal truths, facts, lapses of time, and when ordering in restaurants and stores.
1. Right answer:
estudian
Los estudiantes can be replaced by ellos (third person plural). So the conjugation of the verb estudiar that matches the third person plural in the simple present is estudian. Finally:
Los estudiantes estudian para el examen
2. Right answer:
escuchas
Tú is the subject pronoun for the second person singular. So the conjugation of the verb escuchar that matches the second person singular in the simple present is escuchas. Finally:
Tú escuchas la música en la radio
3. Right answer:
enseña
La profesora can be replaced by ella (third person singular in feminine form). So the conjugation of the verb enseñar that matches the third person singular the simple present is enseña. Finally:
La profesora enseña el inglés a los estudiantes
4. Right answer:
toco
yo is the subject pronoun for the first person singular. So the conjugation of the verb tocar that matches the first person singular in the simple present is toco. Finally:
Yo toco el piano
5. Right answer:
hablamos
nosotros is the subject pronoun for the first person plural. So the conjugation of the verb hablar that matches the first person plural in the simple present is hablamos. Finally:
Nososotros hablamos en español en la clase