Question

Cuando Ann usa "must" en lugar de "have to” en la siguiente oración
"I must arrive early to my dancing class because I'm going to become
professional dancer” es porque:
She is making a promise
It's an obligation
She doesn't like the idea of becoming a dancer
She really wants to become a dancer and it's commited to that.​

Answer 1

Respuesta: she is making a promise

Explicación: el "must" se utiliza en Inglés cuando es una obligación