Final answer:
The correct form of gustar to fill in the blank is gusta, as the subject is singular.
Step-by-step explanation:
The correct form of gustar to fill in the blank is gusta.
In this sentence, the subject is a mi maestro (my teacher). Since the subject is singular, we use the singular form of gusta.
Some examples:
- A mi maestro le gusta enseñar.
- A Juan le gusta leer libros.
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