Breakdown of A aluna quer revisar a última lição antes da prova.
Questions & Answers about A aluna quer revisar a última lição antes da prova.
The first a is the definite article the. The second a is just the first letter of aluna.
So:
- a = the (feminine singular)
- aluna = female student
This is completely normal in Portuguese. It is not a typo, and there is no contraction here.