Replace the subject in the sentence with the correct Spanish pronoun. El Señor Ortega y usted usan la calculadora.
O Ud.
O Vosotros
O Uds.
Vosotras
The underlined phrase is El Señor Ortega y usted

do you   have the audio?

if your asking for what that says, it is

which of these words is an

but i don't know what sentence your asking for the adjective from.

¡hola!

i don't know how many words are missing

es verdad que acá en el mes de septiembre.

means

it's true that here in september.

so i guess it's ►

es verdad que el verano termina acá en el mes de septiembre.

it's true that summer ends here in september.

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hope it's what you were looking for ☺☺☺