The complete statement is:
"El estudiante escribió una carta a la maestra".
Here we have the statement:
"El estudiante ____ una carta a la maestra"
Such that the verb is escribir (to write). And we need to conjugate with "El".
The correct conjugate, in preterito perfecto (something that already happen) is:
"El escribió"
Then the complete statement is:
"El estudiante escribió una carta a la maestra".
If you want to learn more about Spanish:
https://brainly.com/question/22235618
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