Decide if the following sentence is grammatically correct or incorrect. su mama dice "hola".

if its a question then yes its correct. though you would put it as Su mama dice "hola"?

if you are just stating it you would put su mama dice hola.

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.