Resposta :
a. Are they listening to the radio?
They aren't listening to the radio.
They're listening to the radio.
b. Is she drinking milk?
She isn't drinking milk.
She's drinking milk.
c. Am I dancing?
I'm not dancing.
I'm dancing.
a. Are they listening to the radio?
They aren't listening to the radio.
They're listening to the radio.
b. Is she drinking milk?
She isn't drinking milk.
She's drinking milk.
c. Am I dancing?
I'm not dancing.
I'm dancing.