Respuesta:
1.- We are reading
(read)
a biology book in the classroom.
2.-1I am dancing
(dance)
at the party with my friends.
3.-are
The doctors (work)working
in the hospital?
4.-are
You (brush)brushing
your long hair?
5.-is
She (write)writing
some notes for her class?
6.- Tom is
(walk)walking
to his house.
Explicación:
Espero te sirva.☺