Respuesta:
1. Am I in room 10? Yes, I am
2. Is it italian? No, it isn´t
3. Are they students? No, they aren´t
4. Is he from the USA? Yes, he´s
5. Are you sure? No, i´m not
Explicación:
I = am
You, they, we = are
he, she, it = is
Al ser pregunta el "verb to be" va al inicio, en estos casos
