Match the correct ending for each subject.

yo
o
2. tú
áis
3. él, ella, usted
a
4. nosotros/as
as
5. vosotros/as
amos
6. ellos/as, ustedes
an

The correct ending for each subject is:

Explanation:

The conjugation of the verbs in Simple Present in Spanish change depending on the personal pronoun, this is noted in the endings of the conjugated verb, to better understand this, I am going to conjugate a verb in Simple Present so you can see how each of the endings varies:  

Conjugation of the verb "jugar" in Present Simple:

If you see the endings of the conjugations with the verb "jugar," they are the same that the answers in the exercise.

the answer is c. estudió

explanation:

to translate: last year a group from my school went to cuba and studied the history of the island. you would use preterite form because it was one time and they use fue in the sentence.